A301264 - OEIS

A301264 as a simple table

n	a(n)
0	1
1	4
2	12
3	20
4	31
5	53
6	76
7	104
8	140
9	170
10	212
11	255
12	315
13	351
14	423
15	494
16	542
17	614
18	687
19	772
20	868
21	947
22	1019
23	1134
24	1235
25	1341
26	1454
27	1543
28	1671
29	1813
30	1935
31	2051
32	2193
33	2310
34	2477
35	2633
36	2780
37	2915
38	3078
39	3275
40	3425
41	3597
42	3771
43	3950
44	4139
45	4341
46	4531

[1,4,12,20,31,53,76,104,140,170,212,255,315,351, 423,494,542,614,687,772,868,947,1019,1134,1235, 1341,1454,1543,1671,1813,1935,2051,2193,2310,2477, 2633,2780,2915,3078,3275,3425,3597,3771,3950,4139, 4341,4531]