A109470 - OEIS

A109470 as a simple table

n	a(n)
1	2
2	5
3	9
4	14
5	20
6	27
7	36
8	46
9	57
10	69
11	82
12	96
13	111
14	127
15	144
16	162
17	181
18	201
19	222
20	244
21	267
22	291
23	316
24	342
25	370
26	399
27	429
28	460
29	492
30	525
31	559
32	594
33	630
34	667
35	705
36	744
37	784
38	825
39	867
40	910
41	954
42	999
43	1045
44	1092
45	1140
46	1189
47	1239
48	1290
49	1342
50	1395
51	1449
52	1504
53	1560

[2,5,9,14,20,27,36,46,57,69,82,96,111,127,144,162, 181,201,222,244,267,291,316,342,370,399,429,460, 492,525,559,594,630,667,705,744,784,825,867,910, 954,999,1045,1092,1140,1189,1239,1290,1342,1395, 1449,1504,1560]