Search: id:A023021
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%I A023021
%S A023021 1,23,299,2852,22126,147407,871838,4680845,23177583,107100903,466066181,
%T A023021 1923780950,7576060505,28601630657,103928814438,364712523658,
%U A023021 1239637963457,4091266414235,13139808783725,41145568478988
%N A023021 Number of partitions of n into parts of 23 kinds.
%C A023021 a(n) is Euler transform of A010862. [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), 
               Oct 17 2008]
%C A023021 Convolved with A000041 = A006922 [From Gary W. Adamson (qntmpkt(AT)yahoo.com), 
               Jun 09 2009]
%H A023021 <a href="Sindx_Pro.html#1mxtok">Index entries for expansions of Product_{k 
               >= 1} (1-x^k)^m</a>
%H A023021 N. J. A. Sloane, <a href="transforms.txt">Transforms</a> [From Alois 
               P. Heinz (heinz(AT)hs-heilbronn.de), Oct 17 2008]
%F A023021 G.f.: Product_{m>=1} 1/(1-x^m)^23.
%p A023021 with (numtheory): a:= proc(n) option remember; `if`(n=0, 1, add (add 
               (d*23, d=divisors(j)) *a(n-j), j=1..n)/n) end: seq (a(n), n=0..40); 
               [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), Oct 17 2008]
%Y A023021 Cf. 23th column of A144064. [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), 
               Oct 17 2008]
%Y A023021 A006922, A000041 [From Gary W. Adamson (qntmpkt(AT)yahoo.com), Jun 09 
               2009]
%Y A023021 Sequence in context: A125435 A086943 A131273 this_sequence A022651 A077504 
               A086558
%Y A023021 Adjacent sequences: A023018 A023019 A023020 this_sequence A023022 A023023 
               A023024
%K A023021 nonn
%O A023021 0,2
%A A023021 David W. Wilson (davidwwilson(AT)comcast.net)

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