A005072 - OEIS

A005072 as a simple table

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	343
8	0
9	0
10	0
11	0
12	0
13	2197
14	343
15	0
16	0
17	0
18	0
19	6859
20	0
21	343
22	0
23	0
24	0
25	0
26	2197
27	0
28	343
29	0
30	0
31	29791
32	0
33	0
34	0
35	343
36	0
37	50653
38	6859
39	2197
40	0
41	0
42	343
43	79507
44	0
45	0
46	0
47	0
48	0
49	343
50	0
51	0
52	2197
53	0
54	0
55	0
56	343
57	6859
58	0
59	0
60	0
61	226981
62	29791
63	343
64	0
65	2197
66	0
67	300763
68	0
69	0
70	343
71	0
72	0
73	389017
74	50653
75	0
76	6859
77	343
78	2197
79	493039

[0,0,0,0,0,0,343,0,0,0,0,0,2197,343,0,0,0,0,6859, 0,343,0,0,0,0,2197,0,343,0,0,29791,0,0,0,343,0, 50653,6859,2197,0,0,343,79507,0,0,0,0,0,343,0,0, 2197,0,0,0,343,6859,0,0,0,226981,29791,343,0,2197, 0,300763,0,0,343,0,0,389017,50653,0,6859,343,2197, 493039]