A372098 - cp's OEIS frontend

A372098 a(n) = A070939(3^k) - 2*A000120(3^k) with k = A372097(n).

n	a(n)
1	-1
2	0
3	1
4	2
5	4
6	7
7	8
8	12
9	15
10	18
11	25
12	26
13	30
14	51
15	75
16	78
17	84
18	129
19	133
20	148
21	170
22	180
23	183
24	189
25	209
26	265
27	279
28	285
29	287
30	336
31	369
32	388
33	406
34	412
35	445
36	469
37	496
38	581
39	711
40	737
41	741
42	742
43	873
44	939
45	994
46	1044
47	1078
48	1111
49	1157
50	1158
51	1492
52	1636
53	1767
54	1914
55	1933

[-1, 0, 1, 2, 4, 7, 8, 12, 15, 18, 25, 26, 30, 51, 75, 78, 84, 129, 133, 148, 170, 180, 183, 189, 209, 265, 279, 285, 287, 336, 369, 388, 406, 412, 445, 469, 496, 581, 711, 737, 741, 742, 873, 939, 994, 1044, 1078, 1111, 1157, 1158, 1492, 1636, 1767, 1914, 1933]

cp's OEIS Frontend

A372098 a(n) = A070939(3^k) - 2*A000120(3^k) with k = A372097(n).

Table of values

List of values