A037520 - cp's OEIS frontend

A037520 Base 3 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,0.

n	a(n)
1	2
2	7
3	21
4	65
5	196
6	588
7	1766
8	5299
9	15897
10	47693
11	143080
12	429240
13	1287722
14	3863167
15	11589501
16	34768505
17	104305516
18	312916548
19	938749646
20	2816248939
21	8448746817
22	25346240453
23	76038721360
24	228116164080
25	684348492242

[2, 7, 21, 65, 196, 588, 1766, 5299, 15897, 47693, 143080, 429240, 1287722, 3863167, 11589501, 34768505, 104305516, 312916548, 938749646, 2816248939, 8448746817, 25346240453, 76038721360, 228116164080, 684348492242]

cp's OEIS Frontend

A037520 Base 3 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,0.

Table of values

List of values