A090390 - cp's OEIS frontend

A090390 Repeatedly multiply (1,0,0) by ([1,2,2],[2,1,2],[2,2,3]); sequence gives leading entry.

n	a(n)
0	1
1	1
2	9
3	49
4	289
5	1681
6	9801
7	57121
8	332929
9	1940449
10	11309769
11	65918161
12	384199201
13	2239277041
14	13051463049
15	76069501249
16	443365544449
17	2584123765441
18	15061377048201
19	87784138523761
20	511643454094369
21	2982076586042449
22	17380816062160329
23	101302819786919521
24	590436102659356801

[1, 1, 9, 49, 289, 1681, 9801, 57121, 332929, 1940449, 11309769, 65918161, 384199201, 2239277041, 13051463049, 76069501249, 443365544449, 2584123765441, 15061377048201, 87784138523761, 511643454094369, 2982076586042449, 17380816062160329, 101302819786919521, 590436102659356801]

cp's OEIS Frontend

A090390 Repeatedly multiply (1,0,0) by ([1,2,2],[2,1,2],[2,2,3]); sequence gives leading entry.

Table of values

List of values