A133651 Early bird numbers of order 3.

212, 214, 215, 216, 217, 218, 219, 221, 231, 312, 313, 321, 322, 323, 325, 326, 327, 328, 329, 331, 332, 342, 421, 423, 424, 432, 433, 434, 436, 437, 438, 439, 441, 442, 443, 453, 521, 532, 534, 535, 543, 544, 545, 547, 548, 549, 551, 552, 553, 554, 564

Offset

1,1

Comments

N-th Early bird number of order 2 is in the sequence if it occurs in the concatenation of the first n-1 early bird numbers of order 2.

Links

Klaus Brockhaus, Table of n, a(n) for n = 1..1000

Example

A133650(13) = 212 occurs in the concatenation 99111122123132142152162172182192211 of A133650(1), ..., A133650(12). Hence 212 is an early bird number of order 3.

Prog

For JBASIC program see A133651 (order = 3; maxterm = 600).

Crossrefs

Cf. A116700 (early bird numbers), A133650 (early bird numbers of order 2), A133652 (least early bird number of order n).

Sequence in context: A323426 A099687 A358873 * A093807 A088642 A251126

Adjacent sequences: A133648 A133649 A133650 * A133652 A133653 A133654

Keyword

nonn,base

Author

Klaus Brockhaus, Sep 19 2007

Status

approved