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 A333271 Irregular triangle read by rows: coefficients of the s-inflated Eulerian polynomial Q^(s)_n(x) where s is the sequence (1,3,5,...,2n-1). 2
 1, 1, 2, 3, 2, 1, 1, 2, 4, 6, 9, 10, 11, 10, 9, 6, 4, 2, 1, 1, 2, 4, 8, 12, 18, 27, 36, 45, 54, 60, 66, 69, 66, 60, 54, 45, 36, 27, 18, 12, 8, 4, 2, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Thomas W. Pensyl and Carla D. Savage, Rational lecture hall polytopes and inflated Eulerian polynomials, preprint 2011. EXAMPLE Triangle begins:   1;   1, 2, 3, 2, 1;   1, 2, 4, 6, 9, 10, 11, 10, 9, 6, 4, 2, 1;   1, 2, 4, 8, 12, 18, 27, 36, 45, 54, 60, 66, 69, 66, 60, 54, 45, 36, 27, 18, 12, 8, 4, 2, 1;   ... CROSSREFS Cf. A333270, A333272. Sequence in context: A092542 A321305 A026552 * A208233 A176270 A086437 Adjacent sequences:  A333268 A333269 A333270 * A333272 A333273 A333274 KEYWORD nonn,tabf,more AUTHOR N. J. A. Sloane, Mar 14 2020 STATUS approved

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Last modified August 10 16:56 EDT 2020. Contains 336381 sequences. (Running on oeis4.)