OFFSET
1,1
LINKS
C. G. Bower, Transforms (2)
FORMULA
"BIJ" (reversible, indistinct, labeled) transform of 3, 0, 0, 0...
3^n*n!/2 (n>1). E.g.f.: (2-9*x^2)/(2-6*x).
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved