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A005607
a(n) = (a(n-1) + a(n-2))!.
11
1, 1, 2, 6, 40320
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OFFSET
0,3
COMMENTS
The next term has 168215 digits and is too large to include.
LINKS
Table of n, a(n) for n=0..4.
J. T. Butler,
Fanout-free networks of multivalued gates
, Proc. Internat. Symposium Multiple-Valued Logic, Charlotte NC, 1977. IEEE Press, NY, 1977, pp. 39-46. (Annotated scanned copy)
J. T. Butler,
Letter to N. J. A. Sloane, Dec. 1978
CROSSREFS
Sequence in context:
A121167
A115658
A337096
*
A184391
A161563
A135408
Adjacent sequences:
A005604
A005605
A005606
*
A005608
A005609
A005610
KEYWORD
nonn
,
easy
AUTHOR
N. J. A. Sloane
STATUS
approved
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Last modified August 23 11:42 EDT 2024. Contains 375396 sequences. (Running on oeis4.)