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 A108131 #15 Dec 10 2024 09:02:49 %S A108131 1,1,1,1,1,1,1,1,6,1,1,1,28,84,1,1,1,120,2925,1820,1,1,1,496,85320, %T A108131 635376,53130,1,1,1,2016,2362041,174792640,234531275,1947792,1,1,1, %U A108131 8128,64304604,45545029376,782083984500,131513824548,85900584,1 %N A108131 Array read by antidiagonals: A(k,n) = C(n^k, n). %e A108131 Array begins: %e A108131 k.C(n^k, n) %e A108131 1.|.1.1....1........1..............1...................1..........................1... %e A108131 2.|.1.1....6.......84...........1820...............53130....................1947792... %e A108131 3.|.1.1...28.....2925.........635376...........234531275...............131513824548... %e A108131 4.|.1.1..120....85320......174792640........782083984500...........6505247592703944... %e A108131 5.|.1.1..496..2362041....45545029376....2475588476563125......306455244538856615280... %e A108131 6.|.1.1.2016.64304604.11710951848960.7756055513916018750.14320984850603177651837856... %o A108131 (Magma) C:= func< n | Binomial(n^6, n) >; [ C(n) : n in [0..7]]; /* Row 6 example */ %Y A108131 Cf. A014062 (row 2), A107444 (row 3), A107446 (row 4). %Y A108131 Cf. A006516 (col 2), A026809 (col 3). %K A108131 easy,nonn,tabl %O A108131 0,9 %A A108131 _Jonathan Vos Post_, Jun 11 2007