A039808 Shifts left under transform T where Ta is product of Partition Triangle A008284 with a.

1, 1, 2, 4, 9, 20, 47, 109, 258, 609, 1447, 3434, 8175, 19449, 46327, 110330, 262882, 626317, 1492515, 3556540, 8475679, 20198343, 48136276, 114716767, 273393363, 651550405, 1552783297, 3700609736, 8819356189

Offset

1,3

Links

Table of n, a(n) for n=1..29.

Formula

G.f.: x + x * Sum_{n>=1} a(n) * x^n / Product_{j=1..n} (1 - x^j). - Ilya Gutkovskiy, Jul 22 2021

Crossrefs

Cf. A008284, A039809.

Sequence in context: A368830 A036623 A001385 * A138164 A130802 A022543

Adjacent sequences: A039805 A039806 A039807 * A039809 A039810 A039811

Keyword

nonn,eigen

Author

Christian G. Bower, Feb 15 1999

Status

approved