A212967 - OEIS

A212967 as a simple table

n	a(n)
0	0
1	3
2	10
3	26
4	50
5	89
6	140
7	212
8	300
9	415
10	550
11	718
12	910
13	1141
14	1400
15	1704
16	2040
17	2427
18	2850
19	3330
20	3850
21	4433
22	5060
23	5756
24	6500
25	7319
26	8190
27	9142
28	10150
29	11245
30	12400
31	13648
32	14960
33	16371
34	17850
35	19434
36	21090
37	22857
38	24700
39	26660
40	28700

[0,3,10,26,50,89,140,212,300,415,550,718,910,1141, 1400,1704,2040,2427,2850,3330,3850,4433,5060,5756, 6500,7319,8190,9142,10150,11245,12400,13648,14960, 16371,17850,19434,21090,22857,24700,26660,28700]