A192240 - cp's OEIS frontend

A192240 Constant term in the reduction of the polynomial (x+3)^n by x^2 -> x+1.

n	a(n)
0	1
1	3
2	10
3	37
4	149
5	636
6	2813
7	12695
8	57922
9	265809
10	1223521
11	5640748
12	26026505
13	120137307
14	554669594
15	2561176781
16	11826871933
17	54615158940
18	252210521317
19	1164706900879
20	5378632571666
21	24838652091993
22	114705606355625
23	529714071477452

[1, 3, 10, 37, 149, 636, 2813, 12695, 57922, 265809, 1223521, 5640748, 26026505, 120137307, 554669594, 2561176781, 11826871933, 54615158940, 252210521317, 1164706900879, 5378632571666, 24838652091993, 114705606355625, 529714071477452]

cp's OEIS Frontend

A192240 Constant term in the reduction of the polynomial (x+3)^n by x^2 -> x+1.

Table of values

List of values