OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..30
FORMULA
a(n) = (11^n - 1)*(11^n - 11)*...*(11^n - 11^(n-1)).
MATHEMATICA
Table[Product[11^n - 11^k, {k, 0, n-1}], {n, 0, 10}] (* Vincenzo Librandi, Jan 28 2013 *)
PROG
(Magma) [1] cat [&*[(11^n - 11^k): k in [0..n-1]]: n in [1..10]]; // Bruno Berselli, Jan 28 2013
(PARI) {a(n) = prod(j=0, n-1, 11^n - 11^j)}; \\ G. C. Greubel, May 14 2019
(Sage) [product(11^n - 11^j for j in (0..n-1)) for n in (0..10)] # G. C. Greubel, May 14 2019
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vladeta Jovovic, Mar 16 2000
STATUS
approved