OFFSET
0,3
COMMENTS
a(n) = the least natural number k such that {product of elements on row k of Pascal's triangle} is divisible by (k+n)! but not by (k+n+1)!
Note: a(18) = 3144 and a(24) = 2974. First values k for which A249431(k) = 16 and 17, if they exist, are larger than 4096.
PROG
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Antti Karttunen, Nov 02 2014
STATUS
approved