A015128 - cp's OEIS frontend

A015128 Number of overpartitions of n: an overpartition of n is an ordered sequence of nonincreasing integers that sum to n, where the first occurrence of each integer may be overlined.

n	a(n)
0	1
1	2
2	4
3	8
4	14
5	24
6	40
7	64
8	100
9	154
10	232
11	344
12	504
13	728
14	1040
15	1472
16	2062
17	2864
18	3948
19	5400
20	7336
21	9904
22	13288
23	17728
24	23528
25	31066
26	40824
27	53408
28	69568
29	90248
30	116624
31	150144
32	192612
33	246256
34	313808
35	398640
36	504886
37	637592
38	802936
39	1008448

[1, 2, 4, 8, 14, 24, 40, 64, 100, 154, 232, 344, 504, 728, 1040, 1472, 2062, 2864, 3948, 5400, 7336, 9904, 13288, 17728, 23528, 31066, 40824, 53408, 69568, 90248, 116624, 150144, 192612, 246256, 313808, 398640, 504886, 637592, 802936, 1008448]

cp's OEIS Frontend

A015128 Number of overpartitions of n: an overpartition of n is an ordered sequence of nonincreasing integers that sum to n, where the first occurrence of each integer may be overlined.

Table of values

List of values