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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.

A236107 Nonprimes whose divisors are partition numbers.

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%I A236107 #22 Apr 09 2020 09:57:06
%S A236107 1,15,22,77
%N A236107 Nonprimes whose divisors are partition numbers.
%C A236107 By definition all terms are partition numbers.
%C A236107 Conjecture: no terms exist beyond 77. - _Jon E. Schoenfield_, Feb 05 2014
%e A236107 15 is in the sequence because 15 is a nonprime number and the divisors of 15 are 1, 3, 5, 15, which are also partition numbers.
%t A236107 nmax = 1000;
%t A236107 pp = PartitionsP[Range[nmax]];
%t A236107 selQ[n_] := Module[{dd = Divisors[n]}, Intersection[pp, dd] == dd];
%t A236107 Select[Range[nmax], !PrimeQ[#] && selQ[#]&] (* _Jean-François Alcover_, Apr 09 2020 *)
%Y A236107 Cf. A000041, A018252, A038753, A236102, A236103, A236105, A236108, A236110.
%K A236107 nonn,more
%O A236107 1,2
%A A236107 _Omar E. Pol_, Jan 22 2014