A119027 Value of the concatenation of the first n+1 terms of A118605, seen as a binary number.

0, 1, 2, 4, 9, 18, 36, 72, 145, 291, 582, 1164, 2329, 4658, 9316, 18632, 37264, 74529, 149059, 298118, 596236, 1192472, 2384944, 4769888, 9539777, 19079555, 38159110, 76318220, 152636440, 305272880, 610545760, 1221091520, 2442183041

Offset

0,3

Comments

a(n) = 2*a(n-1) + A118605(n), a(0) = 0.

Links

Table of n, a(n) for n=0..32.

Crossrefs

Sequence in context: A293333 A111662 A253585 * A145139 A033138 A155803

Adjacent sequences: A119024 A119025 A119026 * A119028 A119029 A119030

Keyword

nonn,base

Author

Reinhard Zumkeller, May 09 2006

Extensions

Edited by Charles R Greathouse IV, Apr 29 2010

Status

approved