A185098 - cp's OEIS frontend

A185098 a(n) = floor((265/6)4^(n-4) - n^2 - ((15+(-1)^(n-1))/6) 2^(n-3)).

n	a(n)
4	23
5	141
6	652
7	2735
8	11168
9	44975
10	180508
11	722823
12	2893168
13	11575127
14	46307132
15	185237279
16	740974336
17	2963930847
18	11855822524
19	47423422103
20	189694082672
21	758776856135
22	3035108998684
23	12140438093295
24	48561758666176
25	194247043054991

[23, 141, 652, 2735, 11168, 44975, 180508, 722823, 2893168, 11575127, 46307132, 185237279, 740974336, 2963930847, 11855822524, 47423422103, 189694082672, 758776856135, 3035108998684, 12140438093295, 48561758666176, 194247043054991]

cp's OEIS Frontend

A185098 a(n) = floor((265/6)4^(n-4) - n^2 - ((15+(-1)^(n-1))/6) 2^(n-3)).

Table of values

List of values

cp's OEIS Frontend

A185098 a(n) = floor((265/6)*4^(n-4) - n^2 - ((15+(-1)^(n-1))/6)* 2^(n-3)).

Table of values

List of values

A185098 a(n) = floor((265/6)4^(n-4) - n^2 - ((15+(-1)^(n-1))/6) 2^(n-3)).