A098784 Smallest number not occurring earlier such that the concatenation of the numbers has the property that the first two digits sum to 10, the next two to 10, the next two to 10, the next two to 10, etc.

1, 9, 2, 8, 3, 7, 4, 6, 5, 51, 91, 92, 81, 93, 71, 94, 61, 95, 52, 82, 83, 72, 84, 62, 85, 53, 73, 74, 63, 75, 54, 64, 65, 55, 56, 41, 96, 42, 86, 43, 76, 44, 66, 45, 57, 31, 97, 32, 87, 33, 77, 34, 67, 35, 58, 21, 98, 22, 88, 23, 78, 24, 68, 25, 59, 11, 99, 12, 89, 13, 79, 14

Offset

1,2

Links

Table of n, a(n) for n=1..72.

Crossrefs

Sequence in context: A137301 A299957 A252001 * A105172 A231533 A011453

Adjacent sequences: A098781 A098782 A098783 * A098785 A098786 A098787

Keyword

base,easy,nonn

Author

Eric Angelini, Oct 04 2004

Status

approved