A216806 - OEIS

A216806 as a simple table

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	3
6	0
7	1
8	7
9	16
10	0
11	1
12	11
13	57
14	125
15	0
16	1
17	18
18	135
19	602
20	1296
21	0
22	1
23	26
24	293
25	1911
26	7980
27	16807
28	0
29	1
30	38
31	574
32	5242
33	31860
34	127977
35	262144
36	0
37	1
38	52
39	1089
40	12972
41	106505
42	619872
43	2411416
44	4782969

[1,0,1,0,1,3,0,1,7,16,0,1,11,57,125,0,1,18,135, 602,1296,0,1,26,293,1911,7980,16807,0,1,38,574, 5242,31860,127977,262144,0,1,52,1089,12972,106505, 619872,2411416,4782969]

[1,0,1,0,1,3,0,1,7,16,0,1,11,57,125,0,1,18,135,
 602,1296,0,1,26,293,1911,7980,16807,0,1,38,574,
 5242,31860,127977,262144,0,1,52,1089,12972,106505,
 619872,2411416,4782969]