A039866 - OEIS

A039866 as a simple table

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	6
7	7
8	11
9	15
10	19
11	28
12	38
13	47
14	67
15	84
16	112
17	144
18	186
19	237
20	303
21	384
22	485
23	606
24	766
25	948
26	1181
27	1463
28	1804
29	2215
30	2731
31	3321
32	4066
33	4940
34	5991
35	7263
36	8766
37	10554
38	12711
39	15227
40	18264
41	21799
42	26028
43	30980
44	36826
45	43711

[0,1,2,2,3,6,7,11,15,19,28,38,47,67,84,112,144, 186,237,303,384,485,606,766,948,1181,1463,1804, 2215,2731,3321,4066,4940,5991,7263,8766,10554, 12711,15227,18264,21799,26028,30980,36826,43711]