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 A194124 a(n) = Sum_{k=0..floor(n/2)} (C(n+2, k+2) - C(n+2, k)). 3
 0, 2, 5, 14, 28, 62, 117, 242, 451, 912, 1703, 3418, 6420, 12854, 24293, 48602, 92359, 184736, 352695, 705410, 1352055, 2704132, 5200275, 10400574, 20058273, 40116572, 77558731, 155117490, 300540164, 601080358, 1166803077, 2333606186 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Table of n, a(n) for n=0..31. MATHEMATICA T[n_, k_] := Binomial[n + 2, k + 2] - Binomial[n + 2, k] s[n_] := Sum[T[n, k], {k, 0, Floor[n/2]}] Flatten[Table[s[n], {n, 0, 35}]] (* A194124 *) CROSSREFS Cf. A194123. Sequence in context: A214203 A100779 A212346 * A349094 A212340 A304719 Adjacent sequences: A194121 A194122 A194123 * A194125 A194126 A194127 KEYWORD nonn AUTHOR Clark Kimberling, Aug 16 2011 EXTENSIONS Definition corrected by Georg Fischer, Aug 03 2023 STATUS approved

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Last modified February 21 10:31 EST 2024. Contains 370228 sequences. (Running on oeis4.)