A033600 - OEIS

A033600 as a simple table

n	a(n)
0	1
1	4
2	12
3	23
4	37
5	55
6	83
7	114
8	153
9	195
10	222
11	273
12	332
13	396
14	456
15	524
16	582
17	648
18	746
19	842
20	937
21	1010
22	1095
23	1205
24	1316
25	1458
26	1584
27	1675
28	1765
29	1908
30	2070
31	2230
32	2386
33	2513
34	2618
35	2768
36	2978
37	3187
38	3348
39	3498
40	3646
41	3812
42	4037
43	4284
44	4499
45	4649
46	4815

[1,4,12,23,37,55,83,114,153,195,222,273,332,396, 456,524,582,648,746,842,937,1010,1095,1205,1316, 1458,1584,1675,1765,1908,2070,2230,2386,2513,2618, 2768,2978,3187,3348,3498,3646,3812,4037,4284,4499, 4649,4815]