A259473 - cp's OEIS frontend

A259473 Irregular triangle read by rows of coefficients arising in the enumeration of doubly stochastic matrices of integers, n >= 1, 0 <= k <= (n-1)*(n-2).

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	14
8	87
9	148
10	87
11	14
12	1
13	1
14	103
15	4306
16	63110
17	388615
18	1115068
19	1575669
20	1115068
21	388615
22	63110
23	4306
24	103
25	1
26	1
27	694
28	184015
29	15902580
30	567296265
31	9816969306
32	91422589980
33	490333468494
34	1583419977390
35	3166404385990
36	3982599815746
37	3166404385990

[1, 1, 1, 1, 1, 1, 14, 87, 148, 87, 14, 1, 1, 103, 4306, 63110, 388615, 1115068, 1575669, 1115068, 388615, 63110, 4306, 103, 1, 1, 694, 184015, 15902580, 567296265, 9816969306, 91422589980, 490333468494, 1583419977390, 3166404385990, 3982599815746, 3166404385990]

cp's OEIS Frontend

A259473 Irregular triangle read by rows of coefficients arising in the enumeration of doubly stochastic matrices of integers, n >= 1, 0 <= k <= (n-1)*(n-2).

Table of values

List of values