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 A185593 a(n) = floor(n^(3/2))*floor(3+n^(3/2))/2. 1
 2, 5, 20, 44, 77, 119, 189, 275, 405, 527, 702, 902, 1127, 1430, 1769, 2144, 2555, 3002, 3485, 4094, 4752, 5459, 6215, 7020, 8000, 8910, 10010, 11174, 12402, 13694, 15050, 16652, 18144, 19899, 21735, 23652, 25650, 27729, 29889, 32130, 34715, 37400, 39902, 42777, 45752, 48827, 52325, 55610, 59339, 62834, 66794, 70499, 74690, 79002, 83435, 88409, 93095 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Subsequence of A000096. LINKS G. C. Greubel, Table of n, a(n) for n = 1..5000 MATHEMATICA Table[Floor[n^(3/2)]*Floor[n^(3/2)+3]/2, {n, 1, 80}] PROG (PARI) for(n=1, 50, print1(floor(n^(3/2))*floor(3+n^(3/2))/2, ", ")) \\ G. C. Greubel, Jul 08 2017 CROSSREFS Cf. A000096. Sequence in context: A361134 A056726 A176042 * A136899 A136882 A136901 Adjacent sequences: A185590 A185591 A185592 * A185594 A185595 A185596 KEYWORD nonn AUTHOR Clark Kimberling, Feb 01 2011 STATUS approved

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Last modified December 10 09:31 EST 2023. Contains 367710 sequences. (Running on oeis4.)