A201461 - cp's OEIS frontend

A201461 Triangle read by rows: n-th row (n>=0) gives coefficients of the polynomial ((x+1)^(2^n) + (x-1)^(2^n))/2.

n	a(n)
0	1
1	1
2	1
3	1
4	6
5	1
6	1
7	28
8	70
9	28
10	1
11	1
12	120
13	1820
14	8008
15	12870
16	8008
17	1820
18	120
19	1
20	1
21	496
22	35960
23	906192
24	10518300
25	64512240
26	225792840
27	471435600
28	601080390
29	471435600
30	225792840
31	64512240
32	10518300
33	906192
34	35960
35	496
36	1

[1, 1, 1, 1, 6, 1, 1, 28, 70, 28, 1, 1, 120, 1820, 8008, 12870, 8008, 1820, 120, 1, 1, 496, 35960, 906192, 10518300, 64512240, 225792840, 471435600, 601080390, 471435600, 225792840, 64512240, 10518300, 906192, 35960, 496, 1]

cp's OEIS Frontend

A201461 Triangle read by rows: n-th row (n>=0) gives coefficients of the polynomial ((x+1)^(2^n) + (x-1)^(2^n))/2.

Table of values

List of values