A134424 - cp's OEIS frontend

A134424 Area under all paths in the first quadrant from (0,0) to (n,0) using steps U=(1,1), D=(1,-1), h=(1,0) and H=(2,0).

n	a(n)
0	0
1	0
2	1
3	4
4	21
5	80
6	316
7	1152
8	4186
9	14812
10	52020
11	180616
12	623338
13	2138040
14	7302035
15	24842736
16	84262609
17	285052676
18	962184359
19	3241616628
20	10903119167
21	36619715860
22	122837641530
23	411588875136
24	1377735161776
25	4607695277512

[0, 0, 1, 4, 21, 80, 316, 1152, 4186, 14812, 52020, 180616, 623338, 2138040, 7302035, 24842736, 84262609, 285052676, 962184359, 3241616628, 10903119167, 36619715860, 122837641530, 411588875136, 1377735161776, 4607695277512]

cp's OEIS Frontend

A134424 Area under all paths in the first quadrant from (0,0) to (n,0) using steps U=(1,1), D=(1,-1), h=(1,0) and H=(2,0).

Table of values

List of values