A274712 - cp's OEIS frontend

A274712 a(n) = A008277(3n-1,n) / (n(n+1)/2) for n>=1, where A008277 are the Stirling numbers of the second kind.

n	a(n)
1	1
2	5
3	161
4	14575
5	2671669
6	833607138
7	397984073059
8	270609861663900
9	248922595132336125
10	298037055910658382175
11	450755158919281716609746
12	840770855566250627155136090
13	1896671776639253430025972662743
14	5091278095597325836977485757711800
15	16040729445423172146341201903726496024
16	58625927208516621021861960954787323034320
17	246047331971247756894582227572712664877434765
18	1175344062721738572130662103242054758238706829325

[1, 5, 161, 14575, 2671669, 833607138, 397984073059, 270609861663900, 248922595132336125, 298037055910658382175, 450755158919281716609746, 840770855566250627155136090, 1896671776639253430025972662743, 5091278095597325836977485757711800, 16040729445423172146341201903726496024, 58625927208516621021861960954787323034320, 246047331971247756894582227572712664877434765, 1175344062721738572130662103242054758238706829325]

cp's OEIS Frontend

A274712 a(n) = A008277(3n-1,n) / (n(n+1)/2) for n>=1, where A008277 are the Stirling numbers of the second kind.

Table of values

List of values

cp's OEIS Frontend

A274712 a(n) = A008277(3*n-1,n) / (n*(n+1)/2) for n>=1, where A008277 are the Stirling numbers of the second kind.

Table of values

List of values

A274712 a(n) = A008277(3n-1,n) / (n(n+1)/2) for n>=1, where A008277 are the Stirling numbers of the second kind.