A271593 - OEIS

A271593 as a simple table

n	a(n)
0	1
1	1
2	2
3	2
4	4
5	5
6	8
7	10
8	15
9	18
10	26
11	32
12	44
13	54
14	72
15	88
16	115
17	140
18	180
19	218
20	276
21	333
22	416
23	500
24	618
25	740
26	906
27	1080
28	1312
29	1558
30	1880
31	2224
32	2666
33	3143
34	3746
35	4402
36	5220
37	6114
38	7216
39	8426
40	9903
41	11530
42	13498
43	15672
44	18280
45	21168
46	24608
47	28424
48	32940
49	37956

[1,1,2,2,4,5,8,10,15,18,26,32,44,54,72,88,115,140, 180,218,276,333,416,500,618,740,906,1080,1312, 1558,1880,2224,2666,3143,3746,4402,5220,6114,7216, 8426,9903,11530,13498,15672,18280,21168,24608, 28424,32940,37956]