login
a(n) = (n!+8)/8.
4

%I #10 Oct 14 2024 01:38:16

%S 4,16,91,631,5041,45361,453601,4989601,59875201,778377601,10897286401,

%T 163459296001,2615348736001,44460928512001,800296713216001,

%U 15205637551104001,304112751022080001,6386367771463680001

%N a(n) = (n!+8)/8.

%H Amiram Eldar, <a href="/A139155/b139155.txt">Table of n, a(n) for n = 4..450</a>

%t Table[(n! + 8)/8, {n, 4, 30}]

%Y Cf. A007749, A020458, A082672, A089085, A089130, A117141, A139056-A139066, A139068, A137390, A139070-A139075, A139148-A139157, A139159, A139160, A139161, A139162.

%K nonn

%O 4,1

%A _Artur Jasinski_, Apr 11 2008

%E Name corrected by _Amiram Eldar_, Oct 14 2024