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A086090
2^n+n3^n.
1
1, 5, 22, 89, 340, 1247, 4438, 15437, 52744, 177659, 591514, 1950665, 6381388, 20734391, 66977950, 215266373, 688813072, 2195513843, 6973830946, 22083492161, 69736736596, 219669514415, 690387505702, 2165301501629
OFFSET
0,2
COMMENTS
Binomial transform of A048474
FORMULA
G.f.: (1-3x+3x^2)/((1-2x)(1-3x)^2)
MATHEMATICA
Table[2^n+n*3^n, {n, 0, 30}] (* or *) LinearRecurrence[{8, -21, 18}, {1, 5, 22}, 30] (* Harvey P. Dale, Jun 06 2017 *)
CROSSREFS
Cf. A086091.
Sequence in context: A191008 A006148 A262293 * A037529 A108072 A081892
KEYWORD
easy,nonn
AUTHOR
Paul Barry, Jul 09 2003
STATUS
approved