%I A129958
%S A129958 0,8,18,38,60,92,126,170,216,272,330,398,468,548,630,722,816,920,1026,
%T A129958 1142,1260,1388,1518,1658,1800,1952,2106,2270,2436,2612,2790,2978,3168,
%U A129958 3368,3570,3782,3996,4220,4446,4682,4920
%N A129958 First differences of A129957.
%t A129958 f[n_] := If[Mod[n, 2] == 0, n^3 + 1, n^3]; Table[f[n + 1] - f[n], {n, 
               0, 40}]
%Y A129958 Cf. A129957, A129959.
%Y A129958 Sequence in context: A028563 A120091 A098944 this_sequence A082227 A134062 
               A067563
%Y A129958 Adjacent sequences: A129955 A129956 A129957 this_sequence A129959 A129960 
               A129961
%K A129958 nonn
%O A129958 0,2
%A A129958 Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Jun 10 2007
%E A129958 Edited, corrected and extended by Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), 
               Jul 21 2007