cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-8 of 8 results.

A083490 Multiples of 2 in which there is no common digit in successive terms.

Original entry on oeis.org

2, 4, 6, 8, 10, 22, 30, 42, 50, 62, 70, 82, 90, 112, 300, 412, 500, 612, 700, 812, 900, 1112, 3000, 4112, 5000, 6112, 7000, 8112, 9000, 11112, 30000, 41112, 50000, 61112, 70000, 81112, 90000, 111112, 300000, 411112, 500000, 611112, 700000, 811112
Offset: 0

Views

Author

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 03 2003

Keywords

Comments

a(n) even, a(n) has no digits in common with a(n-1).

Links

Crossrefs

Cf. A083491, A083492, A083493, A083494, A083495, A083496, A083497.
Cf. A030283.

Extensions

More terms from David Wasserman, Nov 16 2004

A083497 Multiples of 9 in which there is no common digit in successive terms.

Original entry on oeis.org

9, 18, 27, 36, 45, 63, 72, 81, 90, 117, 225, 306, 414, 522, 603, 711, 828, 900, 1116, 2007, 3114, 5022, 6111, 7002, 8118, 9000, 11115, 20007, 31113, 40005, 61119, 70002, 81135, 90000, 111114, 200007, 311139, 400005, 611118, 700002, 811116, 900000
Offset: 0

Views

Author

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 03 2003

Keywords

Crossrefs

Cf. A083490, A083491, A083492, A083493, A083494, A083495, A083496.
Cf. A030283.

Extensions

More terms from David Wasserman, Nov 16 2004

A083491 Multiples of 3 in which there is no common digit in successive terms.

Original entry on oeis.org

3, 6, 9, 12, 30, 42, 51, 60, 72, 81, 90, 111, 204, 315, 402, 513, 600, 711, 804, 912, 3000, 4116, 5007, 6111, 7002, 8115, 9000, 11112, 30000, 41112, 50007, 61113, 70002, 81111, 90000, 111111, 200004, 311115, 400002, 511113, 600000, 711111, 800004
Offset: 0

Views

Author

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 03 2003

Keywords

Crossrefs

Cf. A083490, A083492, A083493, A083494, A083495, A083496, A083497.
Cf. A030283.

Extensions

Corrected and extended by David Wasserman, Nov 16 2004

A083492 Multiples of 4 in which there is no common digit in successive terms.

Original entry on oeis.org

4, 8, 12, 36, 40, 52, 60, 72, 80, 92, 100, 224, 300, 412, 500, 612, 700, 812, 900, 1112, 3000, 4112, 5000, 6112, 7000, 8112, 9000, 11112, 30000, 41112, 50000, 61112, 70000, 81112, 90000, 111112, 300000, 411112, 500000, 611112, 700000, 811112, 900000
Offset: 1

Views

Author

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 03 2003

Keywords

Crossrefs

Cf. A083490, A083491, A083493, A083494, A083495, A083496, A083497.
Cf. A030283.

Extensions

Corrected and extended by David Wasserman, Nov 16 2004

A083493 Multiples of 5 in which there is no common digit in successive terms.

Original entry on oeis.org

5, 10, 25, 30, 45, 60, 75, 80, 95, 100, 225, 300, 415, 600, 715, 800, 915, 2000, 3115, 4000, 5115, 6000, 7115, 8000, 9115, 20000, 31115, 40000, 51115, 60000, 71115, 80000, 91115, 200000, 311115, 400000, 511115, 600000, 711115, 800000, 911115
Offset: 0

Views

Author

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 03 2003

Keywords

Comments

For n >= 1, a(n) is the least multiple of 5 that is greater than a(n-1) and shares no digit with a(n-1). - Robert Israel, Sep 15 2024

Crossrefs

Cf. A083490, A083491, A083492, A083494, A083495, A083496, A083497.
Cf. A008587, A030283.

Formula

For n >= 22, a(n) = a(n-2) + 10 * a(n-8) - 10*a(n-10). - Robert Israel, Sep 15 2024

Extensions

More terms from David Wasserman, Nov 16 2004

A083494 Multiples of 6 in which there is no common digit in successive terms.

Original entry on oeis.org

6, 12, 30, 42, 60, 72, 84, 90, 114, 222, 300, 414, 522, 600, 714, 822, 900, 1116, 2004, 3138, 4002, 5118, 6000, 7122, 8004, 9126, 30000, 41112, 50058, 61116, 70002, 81114, 90000, 111114, 200022, 311118, 400002, 511116, 700002, 811116, 900000, 1111116
Offset: 0

Views

Author

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 03 2003

Keywords

Crossrefs

Cf. A083490, A083491, A083492, A083493, A083495, A083496, A083497.
Cf. A030283.

Extensions

Corrected and extended by David Wasserman, Nov 16 2004

A083496 Multiples of 8 in which there is no common digit in successive terms.

Original entry on oeis.org

8, 16, 24, 56, 72, 80, 96, 104, 232, 400, 512, 600, 712, 800, 912, 3000, 4112, 5000, 6112, 7000, 8112, 9000, 11112, 30000, 41112, 50000, 61112, 70000, 81112, 90000, 111112, 300000, 411112, 500000, 611112, 700000, 811112, 900000, 1111112
Offset: 0

Views

Author

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 03 2003

Keywords

Crossrefs

Cf. A083490, A083491, A083492, A083493, A083494, A083495, A083497.

Extensions

More terms from Sam Alexander, Feb 27 2004

A082541 a(n) = (7*3^n - 4*0^n)/3.

Original entry on oeis.org

1, 7, 21, 63, 189, 567, 1701, 5103, 15309, 45927, 137781, 413343, 1240029, 3720087, 11160261, 33480783, 100442349, 301327047, 903981141, 2711943423, 8135830269, 24407490807, 73222472421, 219667417263, 659002251789, 1977006755367
Offset: 0

Views

Author

Paul Barry, May 02 2003

Keywords

Comments

Binomial transform of A083495.

Links

Crossrefs

Cf. A083497.

Programs

Formula

G.f.: (1+4*x)/(1-3*x).
E.g.f.: (7*exp(3*x) - 4*exp(0))/3.
a(n) = A005032(n-1), n > 0. - R. J. Mathar, Sep 17 2008
Showing 1-8 of 8 results.

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