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Numbers k such that 13 divides p(k), the k-th partition number, A000041(k).
3

%I #17 May 21 2022 08:42:27

%S 28,62,84,94,129,136,173,180,197,213,219,226,227,237,240,264,294,311,

%T 318,326,335,338,357,358,389,418,453,458,473,482,484,486,508,529,538,

%U 542,562,600,635,644,668,670,684,697,699,713,714,727,742,747,751,778

%N Numbers k such that 13 divides p(k), the k-th partition number, A000041(k).

%H Amiram Eldar, <a href="/A071750/b071750.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[ Range[800], Mod[ PartitionsP[ # ], 13] == 0 &]

%o (PARI) \ps800 for(n=0,600,if(polcoeff(1/eta(x),n,x)%13==0,print1(n,",")))

%o (PARI) is(n)=numbpart(n)%13==0 \\ _Charles R Greathouse IV_, Apr 08 2015

%Y Cf. A000041, A027827, A243935 (see crossrefs).

%K nonn,easy

%O 1,1

%A _Benoit Cloitre_, Jun 24 2002

%E Edited by _Robert G. Wilson v_, Jun 27 2002