A133990 - cp's OEIS frontend

A133990 a(n) = Sum_{k=0..n} (-1)^(n-k) * binomial(n,k) * binomial(2^k + n - 1,n).

n	a(n)
0	1
1	1
2	5
3	71
4	2747
5	306861
6	106709627
7	123122238887
8	492425723170553
9	7012142056418141897
10	361269845371107759765065
11	68033187103968192731087467135
12	47171609221094330538117045468744655

[1, 1, 5, 71, 2747, 306861, 106709627, 123122238887, 492425723170553, 7012142056418141897, 361269845371107759765065, 68033187103968192731087467135, 47171609221094330538117045468744655]

cp's OEIS Frontend

A133990 a(n) = Sum_{k=0..n} (-1)^(n-k) * binomial(n,k) * binomial(2^k + n - 1,n).

Table of values

List of values