A034126 Decimal part of cube root of a(n) starts with 0: first term of runs (cubes excluded).

9, 28, 65, 126, 217, 344, 513, 730, 1001, 1332, 1729, 2198, 2745, 3376, 4097, 4914, 5833, 6860, 8001, 9262, 10649, 12168, 13825, 15626, 17577, 19684, 21953, 24390, 27001, 29792, 32769, 35938, 39305, 42876, 46657, 50654, 54873, 59320, 64001

Offset

1,1

Comments

Same as sequence A001093 (n^3+1) starting from the fourth term.

Links

Table of n, a(n) for n=1..39.

Mathematica

crQ[n_]:=Module[{r=Surd[n, 3], cr, m}, cr=RealDigits[r, 10, 10]; m= cr[[2]]+1; !IntegerQ[r]&&cr[[1, m]]==0]; #[[1]]&/@ Split[ Select[ Range[65000], crQ], #1+1==#2&] (* Harvey P. Dale, Aug 05 2013 *)

Crossrefs

Cf. A034116.

Sequence in context: A135705 A321559 A041359 * A034677 A009255 A062451

Adjacent sequences: A034123 A034124 A034125 * A034127 A034128 A034129

Keyword

nonn,base

Author

Patrick De Geest, Sep 15 1998

Status

approved