A352654 - cp's OEIS frontend

A352654 a(0) = 0, a(n) = [x^n] P(n-1,(1 + x)/(1 - x)) for n >= 1, where P(n,x) denotes the n-th Legendre polynomial.

n	a(n)
0	0
1	0
2	2
3	18
4	162
5	1500
6	14240
7	137886
8	1356194
9	13507416
10	135916002
11	1379301990
12	14097919968
13	144977296932
14	1498750896708
15	15564971674518
16	162298598439330
17	1698353774374704
18	17828728267167326
19	187693442844729174
20	1981038544180652162
21	20957881615473229620

[0, 0, 2, 18, 162, 1500, 14240, 137886, 1356194, 13507416, 135916002, 1379301990, 14097919968, 144977296932, 1498750896708, 15564971674518, 162298598439330, 1698353774374704, 17828728267167326, 187693442844729174, 1981038544180652162, 20957881615473229620]

cp's OEIS Frontend

A352654 a(0) = 0, a(n) = [x^n] P(n-1,(1 + x)/(1 - x)) for n >= 1, where P(n,x) denotes the n-th Legendre polynomial.

Table of values

List of values