A026906 - OEIS

A026906 as a simple table

n	a(n)
1	1
2	2
3	4
4	6
5	9
6	13
7	18
8	24
9	32
10	42
11	54
12	69
13	87
14	109
15	136
16	168
17	206
18	252
19	306
20	370
21	446
22	535
23	639
24	761
25	903
26	1068
27	1260
28	1482
29	1738
30	2034
31	2374
32	2764
33	3212
34	3724
35	4309
36	4977
37	5737
38	6601
39	7583
40	8696
41	9956
42	11382
43	12992
44	14808
45	16856

[1,2,4,6,9,13,18,24,32,42,54,69,87,109,136,168, 206,252,306,370,446,535,639,761,903,1068,1260, 1482,1738,2034,2374,2764,3212,3724,4309,4977,5737, 6601,7583,8696,9956,11382,12992,14808,16856]

[1,2,4,6,9,13,18,24,32,42,54,69,87,109,136,168,
 206,252,306,370,446,535,639,761,903,1068,1260,
 1482,1738,2034,2374,2764,3212,3724,4309,4977,5737,
 6601,7583,8696,9956,11382,12992,14808,16856]