A338658 - cp's OEIS frontend

A338658 a(n) = Sum_{d|n} d * binomial(d+n/d-1, d).

n	a(n)
1	1
2	4
3	6
4	14
5	10
6	36
7	14
8	56
9	48
10	80
11	22
12	228
13	26
14	140
15	240
16	316
17	34
18	552
19	38
20	820
21	546
22	308
23	46
24	2088
25	680
26	416
27	1044
28	2156
29	58
30	4380
31	62
32	3248
33	1782
34	680
35	4690
36	9672
37	74
38	836
39	2808
40	14560
41	82
42	15456
43	86
44	9108
45	17040
46	1196
47	94
48	37704
49	12110
50	21420
51	5916
52	16068
53	106
54	44496

[1, 4, 6, 14, 10, 36, 14, 56, 48, 80, 22, 228, 26, 140, 240, 316, 34, 552, 38, 820, 546, 308, 46, 2088, 680, 416, 1044, 2156, 58, 4380, 62, 3248, 1782, 680, 4690, 9672, 74, 836, 2808, 14560, 82, 15456, 86, 9108, 17040, 1196, 94, 37704, 12110, 21420, 5916, 16068, 106, 44496]

cp's OEIS Frontend

A338658 a(n) = Sum_{d|n} d * binomial(d+n/d-1, d).

Table of values

List of values