A038666 - OEIS

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A038666 as a simple table

n	a(n)
1	1
2	6
3	15
4	35
5	60
6	99
7	154
8	210
9	300
10	405
11	513
12	667
13	836
14	1035
15	1265
16	1512
17	1794
18	2139
19	2491
20	2890
21	3344
22	3822
23	4352
24	4928
25	5547
26	6230
27	6956
28	7749
29	8586
30	9486
31	10450
32	11475

[1,6,15,35,60,99,154,210,300,405,513,667,836,1035, 1265,1512,1794,2139,2491,2890,3344,3822,4352,4928, 5547,6230,6956,7749,8586,9486,10450,11475]