A076027 - OEIS

A076027 as a simple table

n	a(n)
1	1
2	2
3	3
4	5
5	9
6	14
7	19
8	25
9	32
10	40
11	49
12	59
13	70
14	82
15	95
16	109
17	124
18	140
19	157
20	175
21	194
22	215
23	236
24	258
25	281
26	305
27	330
28	356
29	383
30	411
31	440
32	470
33	501
34	533
35	566
36	600
37	635
38	671
39	708
40	746
41	785
42	825
43	866
44	908
45	951
46	995
47	1040
48	1086
49	1133
50	1181
51	1230
52	1280

[1,2,3,5,9,14,19,25,32,40,49,59,70,82,95,109,124, 140,157,175,194,215,236,258,281,305,330,356,383, 411,440,470,501,533,566,600,635,671,708,746,785, 825,866,908,951,995,1040,1086,1133,1181,1230,1280]