OFFSET
1,2
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
MAPLE
read transforms; s1 := [1, 2, 16, 272, 7936, 353792, 22368256]; REVERT(s1);
CROSSREFS
KEYWORD
sign
AUTHOR
STATUS
approved