A259401 - cp's OEIS frontend

A259401 a(n) = Sum_{k=0..n} 2^(n-k)*p(k), where p(k) is the partition function A000041.

n	a(n)
0	1
1	3
2	8
3	19
4	43
5	93
6	197
7	409
8	840
9	1710
10	3462
11	6980
12	14037
13	28175
14	56485
15	113146
16	226523
17	453343
18	907071
19	1814632
20	3629891
21	7260574
22	14522150
23	29045555
24	58092685
25	116187328
26	232377092
27	464757194
28	929518106
29	1859040777
30	3718087158
31	7436181158
32	14872370665

[1, 3, 8, 19, 43, 93, 197, 409, 840, 1710, 3462, 6980, 14037, 28175, 56485, 113146, 226523, 453343, 907071, 1814632, 3629891, 7260574, 14522150, 29045555, 58092685, 116187328, 232377092, 464757194, 929518106, 1859040777, 3718087158, 7436181158, 14872370665]

cp's OEIS Frontend

A259401 a(n) = Sum_{k=0..n} 2^(n-k)*p(k), where p(k) is the partition function A000041.

Table of values

List of values