Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #4 Jun 21 2014 16:52:33
%S 1,0,0,0,0,0,0,1,0,0,0,0,0,0,3433,6435,17875,19448,43264,50388,96968,
%T 119713,208803,256597,422375,512524,785708,976990,1423465,1737759,
%U 2488824,3001562,4141412,5012060,6722158,407104665,1108110431,3914660472,10999975393
%N Number of compositions of n in which the minimal multiplicity of parts equals 7.
%H Alois P. Heinz, <a href="/A244170/b244170.txt">Table of n, a(n) for n = 7..400</a>
%p b:= proc(n, i, p, k) option remember; `if`(n=0, p!, `if`(i<1, 0,
%p add(b(n-i*j, i-1, p+j, k)/j!, j=[0, $max(1, k)..n/i])))
%p end:
%p a:= n-> b(n$2, 0, 7) -b(n$2, 0, 8):
%p seq(a(n), n=7..55);
%Y Column k=7 of A242451.
%K nonn
%O 7,15
%A _Alois P. Heinz_, Jun 21 2014