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A121913 a(n) = 2^(n*(2*n+3)) = 2^A014106(n). 2
1, 32, 16384, 134217728, 17592186044416, 36893488147419103232, 1237940039285380274899124224, 664613997892457936451903530140172288, 5708990770823839524233143877797980545530986496 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
Apparently the Hankel transform of A098441 = [1, 1, 33, 97, 1729, 8001, 105441, 627873, ...].
Hankel transform of A098430. - Philippe Deléham, Mar 01 2009
LINKS
EXAMPLE
Det(1) = 1; Det(1,1; 1,33) = 32; Det(1,1,33; 1,33,97; 33,97,1729) = 16384; ...
MAPLE
A121913:=n->2^(n*(2*n+3)); seq(A121913(k), k=0..20); # Wesley Ivan Hurt, Oct 24 2013
MATHEMATICA
Table[2^(n(2n+3)), {n, 0, 20}] (* Wesley Ivan Hurt, Oct 24 2013 *)
PROG
(Magma) [2^(n*(2*n+3)): n in [0..10]]; // Vincenzo Librandi, Jul 05 2011
(PARI) vector(20, n, n--; 2^(n*(2*n+3))) \\ G. C. Greubel, Oct 08 2018
CROSSREFS
Sequence in context: A230689 A248002 A091201 * A016877 A227659 A230914
KEYWORD
nonn,easy
AUTHOR
Philippe Deléham, Sep 02 2006
STATUS
approved

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Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)