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Search: id:A132987
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A132987 Column 0 of triangle A132986. +0
2
1, 1, 2, 12, 240, 18480, 6708240, 14088352320, 203200845886080, 23190071108511726720, 23647206583059346913915520, 239883631139512760372860490507520 (list; graph; listen)
OFFSET

0,3

COMMENT

Let triangular matrix T = A132986, then row n of T = row n-1 of T^n (shift right 1 column) with T(n,0)=T(n,1) for n>0.

CROSSREFS

Cf. A132986.

Sequence in context: A141083 A132877 A007685 this_sequence A111403 A007986 A013503

Adjacent sequences: A132984 A132985 A132986 this_sequence A132988 A132989 A132990

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Sep 07 2007

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Last modified December 4 20:00 EST 2008. Contains 151309 sequences.


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