A026572 - cp's OEIS frontend

A026572 a(n) = T(n,n-3), T given by A026568. Also a(n) = number of integer strings s(0),...,s(n) counted by T, such that s(n)=3.

n	a(n)
3	1
4	2
5	8
6	19
7	56
8	140
9	376
10	953
11	2474
12	6286
13	16097
14	40880
15	104069
16	264052
17	670414
18	1699831
19	4310546
20	10924970
21	27690075
22	70168812
23	177820791
24	450618964
25	1142004584
26	2894347667
27	7336297080
28	18597140982
29	47148420564

[1, 2, 8, 19, 56, 140, 376, 953, 2474, 6286, 16097, 40880, 104069, 264052, 670414, 1699831, 4310546, 10924970, 27690075, 70168812, 177820791, 450618964, 1142004584, 2894347667, 7336297080, 18597140982, 47148420564]

cp's OEIS Frontend

A026572 a(n) = T(n,n-3), T given by A026568. Also a(n) = number of integer strings s(0),...,s(n) counted by T, such that s(n)=3.

Table of values

List of values