A177255 - cp's OEIS frontend

A177255 a(n) = Sum_{j=1..n} j*B(j-1), where B(k) = A000110(k) are the Bell numbers.

n	a(n)
0	0
1	1
2	3
3	9
4	29
5	104
6	416
7	1837
8	8853
9	46113
10	257583
11	1533308
12	9676148
13	64452909
14	451475027
15	3314964857
16	25442301577
17	203604718076
18	1695172374548
19	14654631691569
20	131309475792709
21	1217516798735521
22	11664652754184043
23	115319114738472472
24	1174967255260496776

[0, 1, 3, 9, 29, 104, 416, 1837, 8853, 46113, 257583, 1533308, 9676148, 64452909, 451475027, 3314964857, 25442301577, 203604718076, 1695172374548, 14654631691569, 131309475792709, 1217516798735521, 11664652754184043, 115319114738472472, 1174967255260496776]

cp's OEIS Frontend

A177255 a(n) = Sum_{j=1..n} j*B(j-1), where B(k) = A000110(k) are the Bell numbers.

Table of values

List of values