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 A062776 Greatest common divisor of (n+2)! and n^n. 2
 1, 4, 3, 16, 5, 576, 7, 256, 81, 25600, 11, 497664, 13, 802816, 91125, 65536, 17, 1719926784, 19, 327680000, 6751269, 507510784, 23, 495338913792, 15625, 5670699008, 1594323, 161128382464, 29, 401224520171520000000, 31 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS David A. Corneth, Table of n, a(n) for n = 1..1259 MATHEMATICA Table[GCD[(n+2)!, n^n], {n, 40}] (* Harvey P. Dale, Mar 25 2018 *) PROG (PARI) j=[]; for(n=1, 75, j=concat(j, gcd((n+2)!, n^n))); j (PARI) val(n, p) = my(r=0); while(n, r+=n\=p); r a(n) = my(f = factor(n)[, 1]~); prod(i=1, #f, f[i] ^ min(n, val(n + 2, f[i]))) \\ David A. Corneth, Mar 25 2018 CROSSREFS Sequence in context: A272580 A065679 A223925 * A269512 A270128 A084471 Adjacent sequences:  A062773 A062774 A062775 * A062777 A062778 A062779 KEYWORD nonn,easy AUTHOR Jason Earls, Jul 18 2001 STATUS approved

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Last modified September 22 14:03 EDT 2020. Contains 337289 sequences. (Running on oeis4.)