A025717 - OEIS

A025717 as a simple table

n	a(n)
1	1
2	2
3	4
4	7
5	11
6	16
7	22
8	29
9	36
10	44
11	53
12	63
13	74
14	86
15	99
16	112
17	126
18	141
19	157
20	174
21	192
22	211
23	230
24	250
25	271
26	293
27	316
28	340
29	365
30	390
31	416
32	443
33	471
34	500
35	530
36	561
37	593
38	625
39	658
40	692
41	727
42	763
43	800
44	838
45	876
46	915
47	955
48	996
49	1038
50	1081
51	1125
52	1169
53	1214
54	1260
55	1307
56	1355

[1,2,4,7,11,16,22,29,36,44,53,63,74,86,99,112,126, 141,157,174,192,211,230,250,271,293,316,340,365, 390,416,443,471,500,530,561,593,625,658,692,727, 763,800,838,876,915,955,996,1038,1081,1125,1169, 1214,1260,1307,1355]