A107980 - OEIS

A107980 as a simple table

n	a(n)
0	1
1	5
2	9
3	14
4	30
5	40
6	30
7	70
8	105
9	125
10	55
11	135
12	216
13	280
14	315
15	91
16	231
17	385
18	525
19	630
20	686
21	140
22	364
23	624
24	880
25	1100
26	1260
27	1344
28	204
29	540
30	945
31	1365
32	1755
33	2079
34	2310
35	2430
36	285
37	765
38	1360
39	2000
40	2625
41	3185
42	3640
43	3960
44	4125
45	385
46	1045
47	1881
48	2805
49	3740
50	4620
51	5390
52	6006
53	6435
54	6655

[1,5,9,14,30,40,30,70,105,125,55,135,216,280,315, 91,231,385,525,630,686,140,364,624,880,1100,1260, 1344,204,540,945,1365,1755,2079,2310,2430,285,765, 1360,2000,2625,3185,3640,3960,4125,385,1045,1881, 2805,3740,4620,5390,6006,6435,6655]