A136602 Nonnegative numbers that can be obtained by inserting minus and plus-signs in 123456789.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72

Offset

1,3

Comments

A066957(a(n)) > 0; complement of A136601; A136603 is a subsequence;

a(n) = n-1 for n <= 211 = A136601(1).

The sequence is finite: a(1715) = 123456789 is the last term.

Links

R. Zumkeller, Table of n, a(n) for n = 1..1715

Crossrefs

Sequence in context: A118760 A130446 A132086 * A173474 A023443 A099570

Adjacent sequences: A136599 A136600 A136601 * A136603 A136604 A136605

Keyword

nonn,fini,base

Author

Reinhard Zumkeller, Jan 12 2008

Status

approved