A075185 One-fourth of fifth column of triangle A075181.

6, 137, 2436, 40614, 673470, 11389140, 198793980, 3602823840, 67991283360, 1337641905600, 27440275262400, 586731694348800, 13067437397414400, 302870068070169600, 7298072456298624000

Offset: 0

Author

Wolfdieter Lang, Sep 19 2002

Keywords

• nonn
• easy

Comments

Also one-fourth of fifth diagonal of triangle A048594.

Crossrefs

Cf. A008275, A048594, A075181.

Formula

a(n) = A075181(n+5, 4)/4 = A048594(n+5, n+1)/4, n>=0.

a(n) = (n+1)!*S1(n+5, n+1)/4 with S1(n, m) := A008275(n, m) (Stirling1).