A215828 - cp's OEIS frontend

A215828 a(n) = 7^(floor(n/3))*A(n), where A(n) = A(n-1) + A(n-2) + A(n-3)/7, with A(0)=3, A(1)=1, A(2)=3.

n	a(n)
0	3
1	1
2	3
3	31
4	53
5	87
6	1011
7	1673
8	2771
9	32119
10	53189
11	88079
12	1020995
13	1690737
14	2799811
15	32454831
16	53744245
17	88998887
18	1031656755
19	1708393209
20	2829048851
21	32793751175
22	54305486341
23	89928286367
24	1042430160131
25	1726233651041
26	2858592097539
27	33136210400191

[3, 1, 3, 31, 53, 87, 1011, 1673, 2771, 32119, 53189, 88079, 1020995, 1690737, 2799811, 32454831, 53744245, 88998887, 1031656755, 1708393209, 2829048851, 32793751175, 54305486341, 89928286367, 1042430160131, 1726233651041, 2858592097539, 33136210400191]

cp's OEIS Frontend

A215828 a(n) = 7^(floor(n/3))*A(n), where A(n) = A(n-1) + A(n-2) + A(n-3)/7, with A(0)=3, A(1)=1, A(2)=3.

Table of values

List of values