A229235 - OEIS

A229235 as a simple table

n	a(n)
1	15
2	36
3	66
4	105
5	153
6	2145
7	2850
8	3655
9	4560
10	5565
11	666
12	7875
13	9180
14	10585
15	12090
16	13695
17	153181
18	1711
19	190653
20	210276
21	231540
22	253116
23	276396
24	3003
25	325221
26	351541
27	378885
28	406351
29	435711
30	4656
31	496506
32	528906
33	561270
34	595686
35	6303025
36	666435
37	703891

[15,36,66,105,153,2145,2850,3655,4560,5565,666, 7875,9180,10585,12090,13695,153181,1711,190653, 210276,231540,253116,276396,3003,325221,351541, 378885,406351,435711,4656,496506,528906,561270, 595686,6303025,666435,703891]