A047968 - cp's OEIS frontend

A047968 a(n) = Sum_{d|n} p(d), where p(d) = A000041 = number of partitions of d.

n	a(n)
1	1
2	3
3	4
4	8
5	8
6	17
7	16
8	30
9	34
10	52
11	57
12	99
13	102
14	153
15	187
16	261
17	298
18	432
19	491
20	684
21	811
22	1061
23	1256
24	1696
25	1966
26	2540
27	3044
28	3876
29	4566
30	5846
31	6843
32	8610
33	10203
34	12610
35	14906
36	18491
37	21638
38	26508
39	31290
40	38044
41	44584
42	54133
43	63262
44	76241

[1, 3, 4, 8, 8, 17, 16, 30, 34, 52, 57, 99, 102, 153, 187, 261, 298, 432, 491, 684, 811, 1061, 1256, 1696, 1966, 2540, 3044, 3876, 4566, 5846, 6843, 8610, 10203, 12610, 14906, 18491, 21638, 26508, 31290, 38044, 44584, 54133, 63262, 76241]

cp's OEIS Frontend

A047968 a(n) = Sum_{d|n} p(d), where p(d) = A000041 = number of partitions of d.

Table of values

List of values