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 A022824 a(n) = [ (2n+2)/(n-1) ] + [ (2n+4)/(n-2) ] + ... + [ (4n-2)/1 ]. 2
 6, 14, 23, 33, 44, 55, 67, 81, 93, 105, 120, 133, 149, 164, 177, 191, 210, 222, 240, 256, 270, 288, 305, 322, 336, 355, 373, 387, 410, 421, 441, 460, 478, 496, 516, 530, 548, 571, 587, 603, 626, 643, 663, 684, 700, 716, 741, 758, 780, 797, 815 (list; graph; refs; listen; history; text; internal format)
 OFFSET 2,1 LINKS Table of n, a(n) for n=2..52. PROG (PARI) a(n) = sum(k=1, n-1, (4*n-2*k)\k); \\ for n>1. Michel Marcus, Mar 24 2013 CROSSREFS Sequence in context: A190753 A190740 A084583 * A005281 A120345 A107400 Adjacent sequences: A022821 A022822 A022823 * A022825 A022826 A022827 KEYWORD nonn AUTHOR Clark Kimberling STATUS approved

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Last modified June 19 02:16 EDT 2024. Contains 373492 sequences. (Running on oeis4.)