A034457 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A034457 as a simple table

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	0
37	1
38	0
39	3
40	6
41	18
42	35
43	101
44	208
45	535
46	1246
47	3066
48	7293
49	17771
50	42347
51	101467
52	240033

[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,1,0,3,6,18,35,101,208,535, 1246,3066,7293,17771,42347,101467,240033]