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 1-10 of 16 results. Next

A077294 a(n) = A077293(n)/n.

Original entry on oeis.org

12, 17, 189, 2, 182, 18535523586, 2454560, 265279053157841, 32559, 32333435363738394, 3765849495877, 4, 3808088656573505058353543202028, 469, 45124647144849165, 47986174880114274, 5, 48266
Offset: 1

Views

Author

Amarnath Murthy, Nov 03 2002

Keywords

Crossrefs

Cf. A077293.

Programs

  • PARI
    lista(nn) = {my(k=0, m); for(n=1, nn, m=k++; while(m%n>0 || m==n, m=eval(Str(m, k++))); print1(m/n, ", ")); } \\ Jinyuan Wang, May 16 2020

Extensions

More terms from R. J. Mathar, May 30 2008

A088597 First (most significant) number in the concatenation of A077293(n).

Original entry on oeis.org

1, 3, 5, 8, 9, 11, 17, 21, 29, 32, 41, 48, 49, 65, 67, 76, 85, 86, 89, 117, 121, 132, 133, 203, 209, 226, 243, 244, 261, 262, 271, 303, 329, 332, 341, 346, 357, 384, 391, 417, 441, 497, 539, 571, 593, 596, 599, 658, 681, 706, 751, 796, 817, 841, 861, 966, 1009
Offset: 1

Views

Author

Amarnath Murthy, Oct 12 2003

Keywords

Crossrefs

Extensions

Corrected and extended by Ray Chandler, Oct 18 2003

A088598 Number of numbers appearing in the concatenation A077293(n).

Original entry on oeis.org

2, 2, 3, 1, 2, 6, 4, 8, 3, 9, 7, 1, 16, 2, 9, 9, 1, 3, 28, 4, 11, 1, 70, 6, 17, 17, 1, 17, 1, 9, 32, 26, 3, 9, 5, 11, 27, 7, 26, 24, 56, 42, 32, 22, 3, 3, 59, 23, 25, 45, 45, 21, 24, 20, 105, 43, 5, 13, 26, 28, 21, 7, 21, 39, 117, 3, 84, 68, 57, 43, 38, 38, 125, 111, 48, 148, 17, 39, 48
Offset: 1

Views

Author

Amarnath Murthy, Oct 12 2003

Keywords

Examples

			a(8) = 8, A077293(8) = 2122232425262728.
		

Crossrefs

Extensions

Corrected and extended by Ray Chandler, Oct 18 2003

A088596 Duplicate of A077293.

Original entry on oeis.org

12, 34, 567, 8, 910, 111213141516, 17181920, 2122232425262728, 293031
Offset: 1

Views

Author

Keywords

A077295 Partition the concatenation 1234567...of natural numbers into successive strings which are even, all different and > 2. (0 never taken as the most significant digit.)

Original entry on oeis.org

12, 34, 56, 78, 910, 1112, 1314, 1516, 1718, 1920, 212, 22, 32, 4, 252, 6, 272, 8, 2930, 3132, 3334, 3536, 3738, 3940, 414, 24, 344, 454, 64, 74, 84, 950, 5152, 5354, 5556, 5758, 5960, 616, 26, 36, 46, 566, 676, 86, 970, 7172, 7374, 7576, 7778, 7980, 818, 28, 38, 48, 58, 68, 788, 8990, 9192, 9394, 9596, 9798, 99100
Offset: 1

Views

Author

Amarnath Murthy, Nov 03 2002

Keywords

Crossrefs

Extensions

Corrected and extended by Kyle Shearer (kss198(AT)psu.edu), Mar 14 2006
More terms from Franklin T. Adams-Watters, May 30 2006
Offset changed by Sean A. Irvine, May 14 2025

A077296 Partition the concatenation 1234567... of natural numbers into successive strings which are multiples of 3 all different and > 3. (0 never taken as the most significant digit.)

Original entry on oeis.org

12, 345, 6, 78, 9, 1011, 121314, 15, 1617, 18, 1920, 21, 222, 324, 252, 627, 282, 930, 3132, 33, 3435, 36, 3738, 39, 4041, 42, 4344, 45, 4647, 48, 4950, 51, 525, 354, 555, 657, 585, 960, 6162, 63, 6465, 66, 6768, 69, 7071, 72, 7374, 75, 7677, 787980, 81, 828, 384, 858, 687, 888, 990, 9192, 93, 9495, 96, 9798, 99
Offset: 1

Views

Author

Amarnath Murthy, Nov 03 2002

Keywords

Crossrefs

Extensions

Corrected and extended by Franklin T. Adams-Watters, May 30 2006
Offset changed by Sean A. Irvine, May 14 2025

A077297 Partition the concatenation 1234567...of natural numbers into successive strings which are multiples of 4, all different and > 4. (0 never taken as the most significant digit.)

Original entry on oeis.org

12, 3456, 789101112, 13141516, 17181920, 212, 2232, 4252, 6272, 8, 29303132, 33343536, 37383940, 41424, 344, 45464, 748, 49505152, 53545556, 57585960, 616, 2636, 4656, 6676, 869707172, 73747576, 77787980, 81828, 384, 85868, 788
Offset: 1

Views

Author

Amarnath Murthy, Nov 03 2002

Keywords

Crossrefs

Extensions

Corrected and extended by Franklin T. Adams-Watters, May 30 2006
Offset changed by Sean A. Irvine, May 14 2025

A077298 Partition the concatenation 1234567...of natural numbers into successive strings which are multiples of 5, all different and > 5. (0 never taken as the most significant digit.)

Original entry on oeis.org

12345, 678910, 1112131415, 1617181920, 2122232425, 2627282930, 3132333435, 3637383940, 4142434445, 4647484950, 515, 25, 35, 45, 55, 65, 75, 85, 960, 6162636465, 6667686970, 7172737475, 7677787980, 8182838485, 8687888990
Offset: 1

Views

Author

Amarnath Murthy, Nov 03 2002

Keywords

Crossrefs

Extensions

More terms from R. J. Mathar, Mar 13 2006
More terms from Kyle Shearer (kss198(AT)psu.edu), Mar 14 2006
Offset changed by Sean A. Irvine, May 14 2025

A077299 Partition the concatenation 1234567...of natural numbers into successive strings which are multiples of 6, all different and > 6. (0 never taken as the most significant digit.)

Original entry on oeis.org

12, 3456, 78, 9101112, 1314, 15161718, 1920, 21222, 324, 252, 627282, 930, 3132, 33343536, 3738, 39404142, 4344, 45464748, 4950, 51525354, 5556, 57585960, 6162, 636, 4656, 66, 768, 69707172, 7374, 75767778, 7980, 81828, 384, 858, 687888, 990
Offset: 1

Views

Author

Amarnath Murthy, Nov 03 2002

Keywords

Crossrefs

Extensions

Corrected and extended by R. J. Mathar, Mar 13 2006
Offset changed by Sean A. Irvine, May 14 2025

A077300 Partition the concatenation 1234567...of natural numbers into successive strings which are multiples of 7, all different and > 7 (0 is never taken as the most significant digit).

Original entry on oeis.org

1234567891011, 12131, 4151, 6171819202122, 2324, 252, 6272, 829303132, 33343536373, 83940414243, 4445, 46474849505, 15253, 5455565758596061626, 364, 6566, 6768697071727374, 7576777879808182838485, 868, 78889909, 192939495
Offset: 1

Views

Author

Amarnath Murthy, Nov 03 2002

Keywords

Crossrefs

Extensions

More terms from Sam Alexander, Jan 02 2004
Offset changed by Sean A. Irvine, May 14 2025
Showing 1-10 of 16 results. Next