A266769 - OEIS

A266769 as a simple table

n	a(n)
0	1
1	1
2	3
3	4
4	7
5	9
6	14
7	17
8	24
9	29
10	38
11	45
12	57
13	66
14	81
15	93
16	111
17	126
18	148
19	166
20	192
21	214
22	244
23	270
24	305
25	335
26	375
27	410
28	455
29	495
30	546
31	591
32	648
33	699
34	762
35	819
36	889
37	952
38	1029
39	1099
40	1183
41	1260
42	1352
43	1436
44	1536
45	1628
46	1736
47	1836
48	1953
49	2061

[1,1,3,4,7,9,14,17,24,29,38,45,57,66,81,93,111, 126,148,166,192,214,244,270,305,335,375,410,455, 495,546,591,648,699,762,819,889,952,1029,1099, 1183,1260,1352,1436,1536,1628,1736,1836,1953,2061]