cp's OEIS Frontend

A244172 Number of compositions of n in which the minimal multiplicity of parts equals 9.

%I A244172 #4 Jun 21 2014 16:59:40
%S A244172 1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,48621,92378,260338,293930,665380,
%T A244172 817190,1601434,2042975,3621970,4735446,7816468,10182965,16000962,
%U A244172 20657495,30908965,40042564,57618781,73732010,103908101,131402898,180193883,227106010
%N A244172 Number of compositions of n in which the minimal multiplicity of parts equals 9.
%H A244172 Alois P. Heinz, <a href="/A244172/b244172.txt">Table of n, a(n) for n = 9..400</a>
%p A244172 b:= proc(n, i, p, k) option remember; `if`(n=0, p!, `if`(i<1, 0,
%p A244172       add(b(n-i*j, i-1, p+j, k)/j!, j=[0, $max(1, k)..n/i])))
%p A244172     end:
%p A244172 a:= n-> b(n$2, 0, 9) -b(n$2, 0, 10):
%p A244172 seq(a(n), n=9..60);
%Y A244172 Column k=9 of A242451.
%K A244172 nonn
%O A244172 9,19
%A A244172 _Alois P. Heinz_, Jun 21 2014