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

Author

Klaus Brockhaus, Sep 19 2007

Keywords

• nonn
• base

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.

Examples

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

Links

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

Crossrefs

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