A259400 - cp's OEIS frontend

A259400 a(n) = Sum_{k=0..n} 2^k*p(k), where p(k) is the partition function A000041.

n	a(n)
0	1
1	3
2	11
3	35
4	115
5	339
6	1043
7	2963
8	8595
9	23955
10	66963
11	181651
12	497043
13	1324435
14	3536275
15	9303443
16	24442259
17	63370643
18	164296083
19	421197203
20	1078654355
21	2739598739
22	6942291347
23	17469994387
24	43894109587
25	109593687443
26	273070880147
27	677066241427
28	1675109266835

[1, 3, 11, 35, 115, 339, 1043, 2963, 8595, 23955, 66963, 181651, 497043, 1324435, 3536275, 9303443, 24442259, 63370643, 164296083, 421197203, 1078654355, 2739598739, 6942291347, 17469994387, 43894109587, 109593687443, 273070880147, 677066241427, 1675109266835]

cp's OEIS Frontend

A259400 a(n) = Sum_{k=0..n} 2^k*p(k), where p(k) is the partition function A000041.

Table of values

List of values