This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A132260 #13 Nov 28 2024 15:55:41 %S A132260 13,89,137,29,107,223,37,59,127,331,113,53,101,139,389,113,223,181, %T A132260 103,173,491,13,1223,5279,491,109,179,563,1151,181,1277,7517,547,181, %U A132260 229,647,43,2153,761,1993,8039,619,199,233,701,53,271,3559,4133,2399,9833,661,379,349,773 %N A132260 Array T(k,n) = n-th prime p such that 2^2^k + p^2^k is prime, k>2, read by antidiagonals. %C A132260 These were computed by _Ignacio Larrosa Cañestro_, who cautions that some are only probable primes. The k=3 row is A157950. The main diagonal is A132261. %e A132260 The array begins: %e A132260 n | 1 2 3 4 5 6 7 8 9 10 %e A132260 ----+-------------------------------------------------------- %e A132260 k=3 | 13 137 223 331 389 491 563 647 701 773 %e A132260 k=4 | 89 107 127 139 173 179 229 233 349 421 %e A132260 k=5 | 29 59 101 103 109 181 199 379 769 881 %e A132260 k=6 | 37 53 181 491 547 619 661 677 911 941 %e A132260 k=7 | 113 223 5279 7517 8039 9833 12197 13757 21467 23447 %e A132260 k=8 | 113 1223 1277 1993 2399 9349 9739 10211 10973 11059 %Y A132260 Cf. A000040, A062324, A132261, A157764, A157950, A158361, A158477. %K A132260 nonn,tabl %O A132260 3,1 %A A132260 _Jonathan Vos Post_, Aug 15 2007 %E A132260 More terms from _Jinyuan Wang_, Feb 01 2022