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A133651 Early bird numbers of order 3. 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 (list; graph; refs; listen; history; text; internal format)
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: A181002 A323426 A099687 * A093807 A088642 A251126

Adjacent sequences:  A133648 A133649 A133650 * A133652 A133653 A133654

KEYWORD

nonn,base

AUTHOR

Klaus Brockhaus, Sep 19 2007

STATUS

approved

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Last modified February 26 04:00 EST 2020. Contains 332275 sequences. (Running on oeis4.)