A178205 - cp's OEIS frontend

A178205 a(n) = a(n-1) + 10*a(n-3) for n > 2; a(0) = a(1) = a(2) = 1.

n	a(n)
0	1
1	1
2	1
3	11
4	21
5	31
6	141
7	351
8	661
9	2071
10	5581
11	12191
12	32901
13	88711
14	210621
15	539631
16	1426741
17	3532951
18	8929261
19	23196671
20	58526181
21	147818791
22	379785501
23	965047311
24	2443235221
25	6241090231
26	15891563341
27	40323915551
28	102734817861

[1, 1, 1, 11, 21, 31, 141, 351, 661, 2071, 5581, 12191, 32901, 88711, 210621, 539631, 1426741, 3532951, 8929261, 23196671, 58526181, 147818791, 379785501, 965047311, 2443235221, 6241090231, 15891563341, 40323915551, 102734817861]

cp's OEIS Frontend

A178205 a(n) = a(n-1) + 10*a(n-3) for n > 2; a(0) = a(1) = a(2) = 1.

Table of values

List of values