A352626 - cp's OEIS frontend

A352626 a(n) = (n+1)(3n-2)C(2n,n-1)/(4*n-2).

n	a(n)
1	1
2	8
3	42
4	200
5	910
6	4032
7	17556
8	75504
9	321750
10	1361360
11	5727436
12	23984688
13	100053772
14	416024000
15	1725013800
16	7135405920
17	29452939110
18	121347523440
19	499132441500
20	2050025300400
21	8408638258020
22	34448503964160
23	140974630569240
24	576340150932000
25	2354075068866300

[1, 8, 42, 200, 910, 4032, 17556, 75504, 321750, 1361360, 5727436, 23984688, 100053772, 416024000, 1725013800, 7135405920, 29452939110, 121347523440, 499132441500, 2050025300400, 8408638258020, 34448503964160, 140974630569240, 576340150932000, 2354075068866300]

cp's OEIS Frontend

A352626 a(n) = (n+1)(3n-2)C(2n,n-1)/(4*n-2).

Table of values

List of values

cp's OEIS Frontend

A352626 a(n) = (n+1)*(3*n-2)*C(2*n,n-1)/(4*n-2).

Table of values

List of values

A352626 a(n) = (n+1)(3n-2)C(2n,n-1)/(4*n-2).