A026554 - cp's OEIS frontend

A026554 a(n) = T(n,n-1), T given by A026552. Also a(n) is the number of integer strings s(0),...,s(n) counted by T, such that s(n)=1.

n	a(n)
1	1
2	2
3	4
4	10
5	19
6	52
7	98
8	278
9	526
10	1516
11	2887
12	8389
13	16073
14	46936
15	90386
16	264842
17	512128
18	1504432
19	2918954
20	8592094
21	16716998
22	49288856
23	96119927
24	283795571
25	554524660
26	1639174304
27	3208254571
28	9493241125
29	18607536319
30	55108565584

[1, 2, 4, 10, 19, 52, 98, 278, 526, 1516, 2887, 8389, 16073, 46936, 90386, 264842, 512128, 1504432, 2918954, 8592094, 16716998, 49288856, 96119927, 283795571, 554524660, 1639174304, 3208254571, 9493241125, 18607536319, 55108565584]

cp's OEIS Frontend

A026554 a(n) = T(n,n-1), T given by A026552. Also a(n) is the number of integer strings s(0),...,s(n) counted by T, such that s(n)=1.

Table of values

List of values