A362242 - cp's OEIS frontend

A362242 Triangle read by rows: T(n,k) is the number of lattice paths from (0,0) to (k,n-k) using steps (i,j) with i,j>=0 and gcd(i,j)=1.

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	6
8	6
9	1
10	1
11	10
12	17
13	10
14	1
15	1
16	15
17	39
18	39
19	15
20	1
21	1
22	21
23	76
24	111
25	76
26	21
27	1
28	1
29	28
30	135
31	266
32	266
33	135
34	28
35	1
36	1
37	36
38	222
39	566
40	757
41	566
42	222
43	36
44	1
45	1
46	45
47	346
48	1100
49	1876
50	1876
51	1100
52	346
53	45
54	1
55	1
56	55
57	515
58	1997
59	4197
60	5321
61	4197
62	1997
63	515
64	55
65	1

[1, 1, 1, 1, 3, 1, 1, 6, 6, 1, 1, 10, 17, 10, 1, 1, 15, 39, 39, 15, 1, 1, 21, 76, 111, 76, 21, 1, 1, 28, 135, 266, 266, 135, 28, 1, 1, 36, 222, 566, 757, 566, 222, 36, 1, 1, 45, 346, 1100, 1876, 1876, 1100, 346, 45, 1, 1, 55, 515, 1997, 4197, 5321, 4197, 1997, 515, 55, 1]

cp's OEIS Frontend

A362242 Triangle read by rows: T(n,k) is the number of lattice paths from (0,0) to (k,n-k) using steps (i,j) with i,j>=0 and gcd(i,j)=1.

Table of values

List of values