

A113031


Triangle read by rows: nth row begins with n and contains n terms with the same prime signature such that the (r+1)th term == 1 (mod rth term).


2



1, 2, 3, 3, 7, 29, 4, 9, 289, 332929, 5, 11, 23, 47, 283, 6, 55, 111, 334, 335, 671, 7, 29, 59, 709, 2837, 22697, 590123, 8, 4913, 2084349468684419, 24848244676397648518313556708104734780186593641363
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OFFSET

1,2


LINKS



EXAMPLE

Triangle begins:
1
2 3
3 7 29
4 9 289 332929...


CROSSREFS



KEYWORD



AUTHOR



EXTENSIONS



STATUS

approved



