Perrin Number Checker is a free online tool used to check if the given number is a Perrin number.
What is a Perrin number?
Perrin numbers are numbers in the Perrin sequence. The Perrin sequence is a sequence of integers represented by the recurrence relation:
The recurrence relation of the Perrin sequence is exactly the same as that of the Padovan sequence, but the starting values are different.
First 100 Perrin numbers
- 3
- 0
- 2
- 3
- 2
- 5
- 5
- 7
- 10
- 12
- 17
- 22
- 29
- 39
- 51
- 68
- 90
- 119
- 158
- 209
- 277
- 367
- 486
- 644
- 853
- 1130
- 1497
- 1983
- 2627
- 3480
- 4610
- 6107
- 8090
- 10717
- 14197
- 18807
- 24914
- 33004
- 43721
- 57918
- 76725
- 101639
- 134643
- 178364
- 236282
- 313007
- 414646
- 549289
- 727653
- 963935
- 1276942
- 1691588
- 2240877
- 2968530
- 3932465
- 5209407
- 6900995
- 9141872
- 12110402
- 16042867
- 21252274
- 28153269
- 37295141
- 49405543
- 65448410
- 86700684
- 114853953
- 152149094
- 201554637
- 267003047
- 353703731
- 468557684
- 620706778
- 822261415
- 1089264462
- 1442968193
- 1911525877
- 2532232655
- 3354494070
- 4443758532
- 5886726725
- 7798252602
- 10330485257
- 13684979327
- 18128737859
- 24015464584
- 31813717186
- 42144202443
- 55829181770
- 73957919629
- 97973384213
- 129787101399
- 171931303842
- 227760485612
- 301718405241
- 399691789454
- 529478890853
- 701410194695
- 929170680307
- 1230889085548
How to use the Perrin number checker
The procedure to use the Perrin number checker is as follows:
- Enter the positive integer.
- Click Calculate button to verify whether the input integer is a Perrin number.
- Click the Reset button to start a new verification.
Solved examples using the Perrin number checker
Example 1: Is 119 a Perrin number?
Enter 119 into the input box and click Calculate button, as shown in the figure, 119 is a Perrin number.
Example 2: Is 2025 a Perrin number?
Enter 2025 into the input box and click Calculate button, as shown in the figure, 2025 is not a Perrin number.
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