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 A061442 #19 Apr 03 2023 10:36:10 %S A061442 25,35,45,55,65,75,85,95,105,125,145,165,185,275,335,355,535,655,735, %T A061442 805,925,955,1095,1195,1215,1275,1305,1325,1435,1575,1655,1765,2015, %U A061442 2205,2715,2745,2885,3905,3935,4275,5705,5995,7755,8565,11695,11785,11825,11925 %N A061442 Numbers k such that the Lucas Aurifeuillian primitive part A of Lucas(k) is prime. %C A061442 The Aurifeullian primitive part A of Lucas(k) only exists when k is a multiple of 5, hence all terms of this sequence are multiples of 5. - _Sean A. Irvine_, Feb 15 2023 %H A061442 David Broadhurst, <a href="/A061442/b061442.txt">Table of n, a(n) for n=1..83 yielding primes or probable primes</a> %H A061442 J. Brillhart, P. L. Montgomery and R. D. Silverman, <a href="https://doi.org/10.1090/S0025-5718-1988-0917832-6">Tables of Fibonacci and Lucas factorizations</a>, Math. Comp. 50 (1988), 251-260, S1-S15. Math. Rev. 89h:11002. %H A061442 C. K. Caldwell, <a href="https://t5k.org/top20/page.php?id=21">Lucas Aurifeuillian primitive part</a> %Y A061442 Cf. A061446, A061447, A061254, A061445, A061443. %K A061442 nonn %O A061442 1,1 %A A061442 _David Broadhurst_, Jun 10 2001 %E A061442 Edited by _Arkadiusz Wesolowski_, Dec 29 2012