A357655 - cp's OEIS frontend

A357655 Total number of nodes summed over all lattice paths from (0,0) to (i,n-2*i) that do not go above the diagonal x=y using steps in {(1,0), (0,1)}.

n	a(n)
0	1
1	0
2	2
3	3
4	3
5	8
6	14
7	15
8	35
9	59
10	69
11	147
12	245
13	300
14	608
15	1005
16	1269
17	2489
18	4091
19	5280
20	10120
21	16565
22	21735
23	40950
24	66820
25	88815
26	165125
27	268785
28	361005
29	664108
30	1078904
31	1461609
32	2665617
33	4323643
34	5899917
35	10682712
36	17304516
37	23759955
38	42759385
39	69187281

[1, 0, 2, 3, 3, 8, 14, 15, 35, 59, 69, 147, 245, 300, 608, 1005, 1269, 2489, 4091, 5280, 10120, 16565, 21735, 40950, 66820, 88815, 165125, 268785, 361005, 664108, 1078904, 1461609, 2665617, 4323643, 5899917, 10682712, 17304516, 23759955, 42759385, 69187281]

cp's OEIS Frontend

A357655 Total number of nodes summed over all lattice paths from (0,0) to (i,n-2*i) that do not go above the diagonal x=y using steps in {(1,0), (0,1)}.

Table of values

List of values