A291232 - cp's OEIS frontend

A291232 p-INVERT of (0,1,0,1,0,1,...), where p(S) = (1 - 3 S)^2.

n	a(n)
0	6
1	27
2	114
3	459
4	1788
5	6804
6	25440
7	93825
8	342258
9	1237329
10	4439778
11	15829992
12	56135274
13	198125703
14	696387570
15	2438803863
16	8513220696
17	29631246012
18	102865720452
19	356257472589
20	1231184095602
21	4246476696765
22	14620160955390
23	50252266808784
24	172462429888782

[6, 27, 114, 459, 1788, 6804, 25440, 93825, 342258, 1237329, 4439778, 15829992, 56135274, 198125703, 696387570, 2438803863, 8513220696, 29631246012, 102865720452, 356257472589, 1231184095602, 4246476696765, 14620160955390, 50252266808784, 172462429888782]

cp's OEIS Frontend

A291232 p-INVERT of (0,1,0,1,0,1,...), where p(S) = (1 - 3 S)^2.

Table of values

List of values