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A129958 First differences of A129957. 1
0, 8, 18, 38, 60, 92, 126, 170, 216, 272, 330, 398, 468, 548, 630, 722, 816, 920, 1026, 1142, 1260, 1388, 1518, 1658, 1800, 1952, 2106, 2270, 2436, 2612, 2790, 2978, 3168, 3368, 3570, 3782, 3996, 4220, 4446, 4682, 4920 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..40.

MATHEMATICA

f[n_] := If[Mod[n, 2] == 0, n^3 + 1, n^3]; Table[f[n + 1] - f[n], {n, 0, 40}]

Differences[Table[If[OddQ[n], n^3, n^3+1], {n, 0, 50}]] (* Harvey P. Dale, Aug 26 2012 *)

CROSSREFS

Cf. A129957, A129959.

Sequence in context: A211528 A297841 A098944 * A082227 A134062 A251251

Adjacent sequences:  A129955 A129956 A129957 * A129959 A129960 A129961

KEYWORD

nonn

AUTHOR

Roger L. Bagula, Jun 10 2007

EXTENSIONS

Edited, corrected and extended by Stefan Steinerberger, Jul 21 2007

STATUS

approved

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Last modified July 8 07:34 EDT 2020. Contains 335513 sequences. (Running on oeis4.)