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A192257
1-sequence of reduction of (n^3) by x^2 -> x+1.
2
0, 8, 35, 163, 538, 1618, 4362, 11018, 26327, 60327, 133532, 287324, 603692, 1243044, 2515419, 5013979, 9863110, 19176814, 36900470, 70348470, 132999135, 249552143, 465041880, 861196248, 1585696248, 2904335648, 5293714067, 9605482003
OFFSET
1,2
COMMENTS
See A192232 for definition of "k-sequence of reduction of [sequence] by [substitution]".
FORMULA
Empirical G.f.: x^2*(8-5*x+36*x^2-19*x^3+12*x^4-x^5)/(1-x)/(1-x-x^2)^4. [Colin Barker, Feb 10 2012]
MATHEMATICA
(See A192256.)
CROSSREFS
Sequence in context: A098999 A263520 A223901 * A297609 A000426 A250889
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jun 27 2011
STATUS
approved