A051534 Integers n for which ceiling(n/2)*10^n - ceiling(n/2) is an n-White number.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 20, 21, 23, 25, 26, 27, 29, 30, 31, 33, 35, 37, 39, 40, 41, 43, 45, 47, 48, 49, 51, 53, 55, 57, 59, 60, 61, 63, 64, 65, 67, 69, 71, 73, 75, 77, 79, 80, 81, 83, 85, 86, 87, 89, 90, 91, 93, 95, 97, 99, 100, 103, 111, 115, 119

Offset

1,2

Comments

Note that every 1- and 2-digit odd integer appears in the sequence.

Links

Table of n, a(n) for n=1..70.

Example

The number 6 * 10^11 - 6 = 599999999994 is an 11-White number, so the number 11 appears in the sequence.

Crossrefs

Cf. A037042, A037043, A037044, A037045.

Sequence in context: A177054 A247760 A247750 * A032961 A033063 A032516

Adjacent sequences: A051531 A051532 A051533 * A051535 A051536 A051537

Keyword

nonn,base

Author

James A. Sellers

Status

approved