A087750 - OEIS

A087750 as a simple table

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	10
7	13
8	19
9	24
10	33
11	41
12	56
13	68
14	90
15	111
16	143
17	172
18	219
19	263
20	328
21	392
22	483
23	573
24	700
25	823
26	993
27	1166
28	1396
29	1626
30	1936
31	2249
32	2655
33	3070
34	3603
35	4151
36	4848
37	5562
38	6461
39	7395
40	8548
41	9741
42	11219
43	12754
44	14624
45	16578
46	18943
47	21415
48	24388

[1,2,3,5,6,10,13,19,24,33,41,56,68,90,111,143,172, 219,263,328,392,483,573,700,823,993,1166,1396, 1626,1936,2249,2655,3070,3603,4151,4848,5562,6461, 7395,8548,9741,11219,12754,14624,16578,18943, 21415,24388]