A133650 -id:A133650 - cp's OEIS frontend

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

Klaus Brockhaus, Sep 19 2007

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.

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

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

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

A133652 Least early bird number of order n.

Original entry on oeis.org

12, 99, 212, 221, 1532, 2211, 4221, 12111, 21111, 22211, 42221, 111107, 121111, 211111, 222216, 878777, 1111102, 1121111, 1211111, 2111111, 4332343, 9999993, 11111051, 11111106, 11211111, 12111111, 21111111

Offset: 1

Klaus Brockhaus, Sep 19 2007

See A133650 for definition of early bird numbers of order n.

a(28) > 6*10^7. [From Donovan Johnson, Nov 06 2010]

			a(3) = A133651(1) = 212.

Cf. A116700 (early bird numbers), A133650 (early bird numbers of order 2), A133651 (early bird numbers of order 3).

a(16)-a(27) from Donovan Johnson, Nov 06 2010

cp's OEIS Frontend

A133651 Early bird numbers of order 3.

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