A025716 - OEIS

A025716 as a simple table

n	a(n)
1	1
2	2
3	4
4	7
5	11
6	16
7	22
8	29
9	37
10	46
11	56
12	67
13	79
14	91
15	104
16	118
17	133
18	149
19	166
20	184
21	203
22	223
23	244
24	266
25	289
26	313
27	337
28	362
29	388
30	415
31	443
32	472
33	502
34	533
35	565
36	598
37	632
38	667
39	702
40	738
41	775
42	813
43	852
44	892
45	933
46	975
47	1018
48	1062
49	1107
50	1153
51	1200
52	1247
53	1295
54	1344
55	1394

[1,2,4,7,11,16,22,29,37,46,56,67,79,91,104,118, 133,149,166,184,203,223,244,266,289,313,337,362, 388,415,443,472,502,533,565,598,632,667,702,738, 775,813,852,892,933,975,1018,1062,1107,1153,1200, 1247,1295,1344,1394]