A084010 a(n) = (2^n concatenated with Reverse(2^n)) divided by 11.

1, 2, 4, 8, 151, 293, 586, 11711, 23332, 46565, 931291, 1862582, 3724264, 7447538, 148949851, 297898793, 595787596, 11915660921, 23831312842, 47662625675, 953251523491, 1906502047082, 3813004003174, 7626008006258, 152520151025251

Offset

0,2

Links

Table of n, a(n) for n=0..24.

Example

a(7) = 128821/11 = 11711.

Mathematica

crd[n_]:=Module[{idn=IntegerDigits[2^n]}, FromDigits[Join[idn, Reverse[ idn]]/11]]; Array[crd, 30, 0] (* Harvey P. Dale, Feb 28 2013 *)

Crossrefs

Cf. A084008, A084009.

Sequence in context: A060815 A200758 A110746 * A203630 A265595 A133036

Adjacent sequences: A084007 A084008 A084009 * A084011 A084012 A084013

Keyword

base,nonn

Author

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 23 2003

Extensions

More terms from Franklin T. Adams-Watters, Apr 28 2006

Status

approved