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A135314
a(n) = 7^n*6^(n^2).
2
1, 42, 63504, 3456649728, 6773484887801856, 477827850919028491026432, 1213481763117613016471583634489344, 110942398014527364799038852663129544775958528
OFFSET
0,2
COMMENTS
Hankel transform of A130978.
LINKS
FORMULA
a(n) = 7^n*6^(n^2) = A000420(n)*A076781(n).
MATHEMATICA
Table[7^n 6^(n^2), {n, 0, 10}] (* Harvey P. Dale, Sep 06 2015 *)
PROG
(Magma)[7^n*6^(n^2): n in [0..10]]; // Vincenzo Librandi, May 30 2011
CROSSREFS
Sequence in context: A299503 A159433 A368023 * A135425 A028669 A348820
KEYWORD
nonn
AUTHOR
Philippe Deléham, Dec 05 2007
STATUS
approved