A051620 - cp's OEIS frontend

A051620 a(n) = (4n+8)(!^4)/8(!^4), related to A034177(n+1) ((4n+4)(!^4) quartic, or 4-factorials).

n	a(n)
0	1
1	12
2	192
3	3840
4	92160
5	2580480
6	82575360
7	2972712960
8	118908518400
9	5231974809600
10	251134790860800
11	13059009124761600
12	731304510986649600
13	43878270659198976000
14	2808209322188734464000
15	190958233908833943552000

[1, 12, 192, 3840, 92160, 2580480, 82575360, 2972712960, 118908518400, 5231974809600, 251134790860800, 13059009124761600, 731304510986649600, 43878270659198976000, 2808209322188734464000, 190958233908833943552000]

cp's OEIS Frontend

A051620 a(n) = (4n+8)(!^4)/8(!^4), related to A034177(n+1) ((4n+4)(!^4) quartic, or 4-factorials).

Table of values

List of values

cp's OEIS Frontend

A051620 a(n) = (4*n+8)(!^4)/8(!^4), related to A034177(n+1) ((4*n+4)(!^4) quartic, or 4-factorials).

Table of values

List of values

A051620 a(n) = (4n+8)(!^4)/8(!^4), related to A034177(n+1) ((4n+4)(!^4) quartic, or 4-factorials).