A157117 - cp's OEIS frontend

A157117 Triangle T(n, k) = f(n, k) + f(n, n-k), where f(n, k) = A008292(nk + 1, n-k) if k <= n otherwise A008292(n(n-k), k), read by rows.

n	a(n)
0	2
1	1
2	1
3	1
4	8
5	1
6	1
7	131
8	131
9	1
10	1
11	8204
12	29216
13	8204
14	1
15	1
16	2097187
17	44136233
18	44136233
19	2097187
20	1
21	1
22	2147483736
23	846839476071
24	503464582368
25	846839476071
26	2147483736
27	1
28	1
29	8796093022411
30	150092195453359483
31	288159195861579519
32	288159195861579519
33	150092195453359483
34	8796093022411
35	1

[2, 1, 1, 1, 8, 1, 1, 131, 131, 1, 1, 8204, 29216, 8204, 1, 1, 2097187, 44136233, 44136233, 2097187, 1, 1, 2147483736, 846839476071, 503464582368, 846839476071, 2147483736, 1, 1, 8796093022411, 150092195453359483, 288159195861579519, 288159195861579519, 150092195453359483, 8796093022411, 1]

cp's OEIS Frontend

A157117 Triangle T(n, k) = f(n, k) + f(n, n-k), where f(n, k) = A008292(nk + 1, n-k) if k <= n otherwise A008292(n(n-k), k), read by rows.

Table of values

List of values

cp's OEIS Frontend

A157117 Triangle T(n, k) = f(n, k) + f(n, n-k), where f(n, k) = A008292(n*k + 1, n-k) if k <= n otherwise A008292(n*(n-k), k), read by rows.

Table of values

List of values

A157117 Triangle T(n, k) = f(n, k) + f(n, n-k), where f(n, k) = A008292(nk + 1, n-k) if k <= n otherwise A008292(n(n-k), k), read by rows.