|
|
A071627
|
|
Terms of Chernoff sequence A006939 divided by (n + 1)!.
|
|
0
|
|
|
1, 1, 2, 15, 630, 242550, 1040539500, 66400727518125, 71562941411142431250, 1596518198505361496634018750, 938998452767448490315979899506187500, 15693832493195927010608457268015759163973281250
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,3
|
|
COMMENTS
|
I.e. divided by the number of divisors of A006939(n), which is (n + 1)!.
|
|
LINKS
|
|
|
FORMULA
|
|
|
PROG
|
(PARI) a(n) = prod(k=1, n, prime(k)^(n-k+1))/(n + 1)!; \\ Michel Marcus, Jan 11 2023
|
|
CROSSREFS
|
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|