A351584 - cp's OEIS frontend

A351584 Triangle read by rows: T(n,k) = A(k,n-k), 1 <= k < n, 2 <= n, where A(m,n) is the number of distinct strings consisting of one X, 2m Y's and 2n Z's in which the X lies to the right of at least m Y's and at least n Z's.

n	a(n)
2	16
3	53
4	53
5	124
6	306
7	124
8	240
9	1103
10	1103
11	240
12	412
13	3043
14	5664
15	3043
16	412
17	651
18	7056
19	21095
20	21095
21	7056
22	651
23	968
24	14476
25	63480
26	101950
27	63480
28	14476
29	968
30	1374
31	27114
32	163986
33	386249
34	386249
35	163986
36	27114
37	1374
38	1880
39	47331
40	377616
41	1226540
42	1798776
43	1226540
44	377616
45	47331
46	1880

[16, 53, 53, 124, 306, 124, 240, 1103, 1103, 240, 412, 3043, 5664, 3043, 412, 651, 7056, 21095, 21095, 7056, 651, 968, 14476, 63480, 101950, 63480, 14476, 968, 1374, 27114, 163986, 386249, 386249, 163986, 27114, 1374, 1880, 47331, 377616, 1226540, 1798776, 1226540, 377616, 47331, 1880]

cp's OEIS Frontend

A351584 Triangle read by rows: T(n,k) = A(k,n-k), 1 <= k < n, 2 <= n, where A(m,n) is the number of distinct strings consisting of one X, 2m Y's and 2n Z's in which the X lies to the right of at least m Y's and at least n Z's.

Table of values

List of values

cp's OEIS Frontend

A351584 Triangle read by rows: T(n,k) = A(k,n-k), 1 <= k < n, 2 <= n, where A(m,n) is the number of distinct strings consisting of one X, 2*m Y's and 2*n Z's in which the X lies to the right of at least m Y's and at least n Z's.

Table of values

List of values

A351584 Triangle read by rows: T(n,k) = A(k,n-k), 1 <= k < n, 2 <= n, where A(m,n) is the number of distinct strings consisting of one X, 2m Y's and 2n Z's in which the X lies to the right of at least m Y's and at least n Z's.