A307271 - OEIS

A307271 as a simple table

n	a(n)
0	1
1	4
2	13
3	25
4	46
5	76
6	106
7	139
8	181
9	238
10	289
11	343
12	406
13	490
14	562
15	637
16	721
17	832
18	925
19	1021
20	1126
21	1264
22	1378
23	1495
24	1621
25	1786
26	1921
27	2059
28	2206
29	2398
30	2554
31	2713
32	2881
33	3100
34	3277
35	3457
36	3646
37	3892
38	4090
39	4291
40	4501
41	4774
42	4993
43	5215
44	5446
45	5746
46	5986
47	6229

[1,4,13,25,46,76,106,139,181,238,289,343,406,490, 562,637,721,832,925,1021,1126,1264,1378,1495,1621, 1786,1921,2059,2206,2398,2554,2713,2881,3100,3277, 3457,3646,3892,4090,4291,4501,4774,4993,5215,5446, 5746,5986,6229]