A228328 -id:A228328 - cp's OEIS frontend

A228326 Start with 0. Successive digits in the sequence must differ by 1. Adjoin the smallest number not yet in the sequence.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 87, 65, 43, 21, 23, 45, 67, 89, 876, 54, 32, 10, 12, 34, 56, 76, 78, 98, 765, 432, 101, 210, 121, 212, 123, 232, 321, 234, 323, 434, 343, 454, 345, 456, 543, 2101, 2121, 2123, 2321, 2323, 2343, 2345, 654, 545, 656, 565, 676, 567

Offset: 1

N. J. A. Sloane, Aug 24 2013

Is the sequence infinite?

Yes, as for any digit d, there are infinitely many terms in A033075 with leading digit d+1 or d-1. - Paul Tek Aug 25 2013

Eric Angelini, Posting to the Sequence Fans Mailing List, Aug 23 2013.

Paul Tek, Table of n, a(n) for n = 1..10000
Paul Tek, PERL program for this sequence

Cf. A228327, A228328, A033075.

A228327 Start with 0. Successive digits in the sequence must differ by 2. Adjoin the smallest number not yet in the sequence.

Original entry on oeis.org

0, 2, 4, 6, 8, 64, 20, 24, 68, 642, 42, 46, 86, 420, 202, 424, 242, 464, 246, 468, 646, 864, 686, 868, 6420, 2020, 2024, 2420, 2424, 2464, 2468, 6424, 6464, 6468, 6864, 6868, 64202, 4202, 4242, 4246, 4642, 4646, 4686, 8642, 42020, 20202, 42024, 20242, 42420

Offset: 1

N. J. A. Sloane, Aug 24 2013

Is the sequence infinite?

Eric Angelini, Posting to the Sequence Fans Mailing List, Aug 23 2013.

Alois P. Heinz, Table of n, a(n) for n = 1..10000

Cf. A228326, A228328.

More terms from Alois P. Heinz, Aug 25 2013

cp's OEIS Frontend

A228326 Start with 0. Successive digits in the sequence must differ by 1. Adjoin the smallest number not yet in the sequence.

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