A333106 - cp's OEIS frontend

A333106 Total number of nodes summed over all nonnegative lattice paths from (0,0) to (n,0) where the allowed steps at (x,y) are (1,v) with v in {-1,0,...,max(y,1)}.

n	a(n)
0	1
1	2
2	6
3	16
4	45
5	126
6	357
7	1024
8	2979
9	8800
10	26422
11	80688
12	250705
13	792568
14	2548620
15	8331568
16	27667109
17	93241152
18	318569656
19	1102246040
20	3857916552
21	13644697000
22	48716177272
23	175417870080
24	636493447625
25	2325399611652
26	8548381939932
27	31599848465276

[1, 2, 6, 16, 45, 126, 357, 1024, 2979, 8800, 26422, 80688, 250705, 792568, 2548620, 8331568, 27667109, 93241152, 318569656, 1102246040, 3857916552, 13644697000, 48716177272, 175417870080, 636493447625, 2325399611652, 8548381939932, 31599848465276]

cp's OEIS Frontend

A333106 Total number of nodes summed over all nonnegative lattice paths from (0,0) to (n,0) where the allowed steps at (x,y) are (1,v) with v in {-1,0,...,max(y,1)}.

Table of values

List of values