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 A361443 #10 Mar 14 2023 03:44:06
%S A361443 0,1,2,3,5,6,-2,9,10,7,16,-10,24,14,17,22,-13,-29,-16,-18,-25,-24,-20,
%T A361443 -27,-35,12,-30,-42,-22,-36,-40,-43,-44,-45,-46,21,35,28,32,38,27,37,
%U A361443 41,30,50,46,55,51,56,39,74,54,73,67,57,78,71,59,61,80,68,79
%N A361443 a(n) is the first term of the n-th row of A361442.
%C A361443 The n-th row of A361442 is uniquely determined by its initial term and, provided n > 0, the prior row.
%H A361443 Rémy Sigrist, <a href="/A361443/b361443.txt">Table of n, a(n) for n = 0..4999</a>
%H A361443 Rémy Sigrist, <a href="/A361443/a361443.gp.txt">PARI program</a>
%F A361443 a(n) = A361442(n, 0).
%F A361443 A361442(n, k) = (-1)^k * Sum_{i = 0..k} binomial(k, i) * a(n-i).
%e A361443 a(4) = A361442(4, 0) = 5.
%o A361443 (PARI) See Links section.
%Y A361443 Cf. A361442.
%K A361443 sign
%O A361443 0,3
%A A361443 _Rémy Sigrist_, Mar 12 2023