A026589 - cp's OEIS frontend

A026589 a(n) = T(n,n-4), T given by A026584. Also a(n) = number of integer strings s(0),...,s(n) counted by T, such that s(n)=4.

n	a(n)
4	1
5	2
6	9
7	22
8	69
9	178
10	497
11	1294
12	3452
13	8964
14	23430
15	60556
16	156663
17	403214
18	1037191
19	2660978
20	6821200
21	17459732
22	44657246
23	114117628
24	291449047
25	743904326
26	1897956899
27	4840429962
28	12340947855
29	31455453822
30	80158533099

[1, 2, 9, 22, 69, 178, 497, 1294, 3452, 8964, 23430, 60556, 156663, 403214, 1037191, 2660978, 6821200, 17459732, 44657246, 114117628, 291449047, 743904326, 1897956899, 4840429962, 12340947855, 31455453822, 80158533099]

cp's OEIS Frontend

A026589 a(n) = T(n,n-4), T given by A026584. Also a(n) = number of integer strings s(0),...,s(n) counted by T, such that s(n)=4.

Table of values

List of values