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

Author

Reinhard Zumkeller, Jan 12 2008

Keywords

• nonn
• fini
• base

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