A192349 - cp's OEIS frontend

A192349 Coefficient of x in the reduction (by x^2->x+1) of polynomial p(n,x) identified in Comments.

n	a(n)
1	0
2	1
3	2
4	14
5	40
6	180
7	616
8	2456
9	8960
10	34384
11	128160
12	485728
13	1823360
14	6882368
15	25896064
16	97614720
17	367575040
18	1384954112
19	5216465408
20	19651804672
21	74025216000
22	278859191296
23	1050447030272
24	3957059508224
25	14906157629440
26	56151566438400

[0, 1, 2, 14, 40, 180, 616, 2456, 8960, 34384, 128160, 485728, 1823360, 6882368, 25896064, 97614720, 367575040, 1384954112, 5216465408, 19651804672, 74025216000, 278859191296, 1050447030272, 3957059508224, 14906157629440, 56151566438400]

cp's OEIS Frontend

A192349 Coefficient of x in the reduction (by x^2->x+1) of polynomial p(n,x) identified in Comments.

Table of values

List of values