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 A087194 #12 Apr 21 2025 02:31:29
%S A087194 2,29,484398,15667221,19291710979,716525463939,1068605567805152,
%T A087194 70525663815429108660,2926081151105727289330,
%U A087194 221376944251520543756333062,411385907065654082376504375598,17898287435226907360810789564846,34416385933810421469168969530445713
%N A087194 (A(p)-1)/(2*p^2) where p runs through the odd primes different from 7 and A(k) is the k-th central heptanomial coefficient (A025012).
%H A087194 Amiram Eldar, <a href="/A087194/b087194.txt">Table of n, a(n) for n = 1..194</a>
%t A087194 f[n_] := Max[CoefficientList[Expand[Sum[x^k, {k, 0, 6}]^n], x]]; Table[(f[p] - 1)/(2*p^2), {p, Prime[Delete[Range[2, 15], 3]]}] (* _Amiram Eldar_, Apr 21 2025 *)
%Y A087194 Cf. A025012.
%K A087194 nonn
%O A087194 1,1
%A A087194 _Benoit Cloitre_, Oct 19 2003
%E A087194 Name corrected by _Amiram Eldar_, Apr 21 2025