A118186 - cp's OEIS frontend

A118186 Row sums of triangle A118185: a(n) = Sum_{k=0..n} 4^(k*(n-k)) for n>=0.

n	a(n)
0	1
1	2
2	6
3	34
4	386
5	8706
6	395266
7	35659778
8	6476038146
9	2336999211010
10	1697654543745026
11	2450521284684021762
12	7120479243447937531906
13	41112924905741324849774594
14	477847273163370530909175414786

[1, 2, 6, 34, 386, 8706, 395266, 35659778, 6476038146, 2336999211010, 1697654543745026, 2450521284684021762, 7120479243447937531906, 41112924905741324849774594, 477847273163370530909175414786]

cp's OEIS Frontend

A118186 Row sums of triangle A118185: a(n) = Sum_{k=0..n} 4^(k*(n-k)) for n>=0.

Table of values

List of values