A119430 - cp's OEIS frontend

A119430 Expansion of Sum_{k>=0} 2^kx^(2k)/Product_{j=1..k} (1 - j2x).

n	a(n)
0	1
1	0
2	2
3	4
4	12
5	40
6	152
7	640
8	2928
9	14400
10	75744
11	424640
12	2527552
13	15902848
14	105313408
15	731376640
16	5311088896
17	40233525248
18	317296341504
19	2600091120640
20	22099119279104
21	194487001540608
22	1769555559897088
23	16622286300921856

[1, 0, 2, 4, 12, 40, 152, 640, 2928, 14400, 75744, 424640, 2527552, 15902848, 105313408, 731376640, 5311088896, 40233525248, 317296341504, 2600091120640, 22099119279104, 194487001540608, 1769555559897088, 16622286300921856]

cp's OEIS Frontend

A119430 Expansion of Sum_{k>=0} 2^kx^(2k)/Product_{j=1..k} (1 - j2x).

Table of values

List of values

cp's OEIS Frontend

A119430 Expansion of Sum_{k>=0} 2^k*x^(2k)/Product_{j=1..k} (1 - j*2x).

Table of values

List of values

A119430 Expansion of Sum_{k>=0} 2^kx^(2k)/Product_{j=1..k} (1 - j2x).