A039808 - cp's OEIS frontend

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

n	a(n)
1	1
2	1
3	2
4	4
5	9
6	20
7	47
8	109
9	258
10	609
11	1447
12	3434
13	8175
14	19449
15	46327
16	110330
17	262882
18	626317
19	1492515
20	3556540
21	8475679
22	20198343
23	48136276
24	114716767
25	273393363
26	651550405
27	1552783297
28	3700609736
29	8819356189

[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]

cp's OEIS Frontend

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

Table of values

List of values