A385669 - cp's OEIS frontend

A385669 a(n) = Sum_{k=0..n} 2^k * 3^(n-k) * binomial(2n+1,k) binomial(2*n-k,n-k).

n	a(n)
0	1
1	12
2	184
3	3088
4	54216
5	977712
6	17946384
7	333571488
8	6258363016
9	118270099312
10	2247983617584
11	42929251009888
12	823020113236816
13	15830699744850912
14	305362126902698784
15	5904598544338068288
16	114417320349085700616
17	2221310577262416982512

[1, 12, 184, 3088, 54216, 977712, 17946384, 333571488, 6258363016, 118270099312, 2247983617584, 42929251009888, 823020113236816, 15830699744850912, 305362126902698784, 5904598544338068288, 114417320349085700616, 2221310577262416982512]

cp's OEIS Frontend

A385669 a(n) = Sum_{k=0..n} 2^k * 3^(n-k) * binomial(2n+1,k) binomial(2*n-k,n-k).

Table of values

List of values

cp's OEIS Frontend

A385669 a(n) = Sum_{k=0..n} 2^k * 3^(n-k) * binomial(2*n+1,k) * binomial(2*n-k,n-k).

Table of values

List of values

A385669 a(n) = Sum_{k=0..n} 2^k * 3^(n-k) * binomial(2n+1,k) binomial(2*n-k,n-k).