A217947 - OEIS

A217947 as a simple table

n	a(n)
0	11
1	37
2	87
3	172
4	305
5	501
6	777
7	1152
8	1647
9	2285
10	3091
11	4092
12	5317
13	6797
14	8565
15	10656
16	13107
17	15957
18	19247
19	23020
20	27321
21	32197
22	37697
23	43872
24	50775
25	58461
26	66987
27	76412
28	86797
29	98205
30	110701
31	124352
32	139227
33	155397
34	172935
35	191916
36	212417
37	234517
38	258297
39	283840
40	311231

[11,37,87,172,305,501,777,1152,1647,2285,3091, 4092,5317,6797,8565,10656,13107,15957,19247,23020, 27321,32197,37697,43872,50775,58461,66987,76412, 86797,98205,110701,124352,139227,155397,172935, 191916,212417,234517,258297,283840,311231]