A244170 - 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