login

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”).

A133712
Column l=5 of irregular triangle in A133709.
2
0, 0, 420, 15225, 185031, 1438906, 8689306, 44352346, 200070606, 818907792, 3093635652, 10914809127, 36278256537, 114357327402, 343708626298, 989318816383, 2737219679833, 7302776865288, 18839417766108, 47108352127209, 114421884019959
OFFSET
1,3
MAPLE
A133712 := proc(m)
A133709(m, 5) ;
end proc:
seq(A133712(m), m=1..30) ; # R. J. Mathar, Nov 23 2011
MATHEMATICA
T[m_, l_] := T[m, l] = If[l == 1, 1, Sum[(-1)^i Binomial[l, i]* Binomial[2^(l - i) + m - 2, m], {i, 0, l - 1}] - Sum[StirlingS2[l, i]* T[m, i], {i, 1, l - 1}]];
Table[T[m, 5], {m, 1, 30}] (* Jean-François Alcover, Apr 03 2020 *)
CROSSREFS
Cf. A133709.
Sequence in context: A223365 A288071 A289226 * A058834 A022046 A289348
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Dec 30 2007
STATUS
approved