A307612 - OEIS

A307612 as a simple table

n	a(n)
0	0
1	1
2	3
3	7
4	10
5	15
6	22
7	31
8	37
9	45
10	55
11	67
12	81
13	97
14	115
15	135
16	146
17	159
18	174
19	191
20	210
21	231
22	254
23	279
24	306
25	335
26	366
27	399
28	434
29	471
30	510
31	551
32	573
33	597
34	623
35	651
36	681
37	713
38	747
39	783
40	821
41	861
42	903
43	947
44	993
45	1041
46	1091
47	1143
48	1197
49	1253
50	1311
51	1371
52	1433
53	1497
54	1563
55	1631
56	1701
57	1773
58	1847

[0,1,3,7,10,15,22,31,37,45,55,67,81,97,115,135, 146,159,174,191,210,231,254,279,306,335,366,399, 434,471,510,551,573,597,623,651,681,713,747,783, 821,861,903,947,993,1041,1091,1143,1197,1253,1311, 1371,1433,1497,1563,1631,1701,1773,1847]