A383704 - cp's OEIS frontend

A383704 a(n) = [x^n] Product_{k=0..2n-1} (x - (-1)^k (2*k+1)).

n	a(n)
0	1
1	2
2	-34
3	-540
4	26614
5	805980
6	-66399124
7	-2972817848
8	343902030758
9	20389669252524
10	-3039312653124540
11	-224361715353976200
12	40941662601331486396
13	3617518823154571788440
14	-781104190733806836937320
15	-80375840650247250199417200
16	20044038897159722534821833990

[1, 2, -34, -540, 26614, 805980, -66399124, -2972817848, 343902030758, 20389669252524, -3039312653124540, -224361715353976200, 40941662601331486396, 3617518823154571788440, -781104190733806836937320, -80375840650247250199417200, 20044038897159722534821833990]

cp's OEIS Frontend

A383704 a(n) = [x^n] Product_{k=0..2n-1} (x - (-1)^k (2*k+1)).

Table of values

List of values

cp's OEIS Frontend

A383704 a(n) = [x^n] Product_{k=0..2*n-1} (x - (-1)^k * (2*k+1)).

Table of values

List of values

A383704 a(n) = [x^n] Product_{k=0..2n-1} (x - (-1)^k (2*k+1)).