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 1-3 of 3 results.

A055063 Positions of primes in A054636 with offset 1.

Original entry on oeis.org

3, 9, 10, 12, 18, 29, 30, 39, 61, 63, 68, 81, 87, 93, 108, 114, 116, 121, 122, 123, 135, 148, 152, 157, 167, 178, 181, 190, 200, 203, 210, 217, 226, 239, 241, 248, 253, 274, 279, 292, 301, 304, 311, 319, 320, 322, 323, 334, 335, 340, 343, 347, 352, 355, 359
Offset: 1

Views

Author

Patrick De Geest, Apr 15 2000

Keywords

Comments

Original name with typo corrected: Pointers to base-8 digits where primes occur in A055062.

Examples

			012345671011121314151617202122232425...
--|...... sum 0+1+2 = prime 3 at position 3
--------| sum 0+1+2+3+4+5+6+7+1 = prime 29 at position 9

Crossrefs

Cf. A054634, A054636, A055062.

Programs

Extensions

Revised by Sean A. Irvine, Mar 09 2022

A055062 Primes in A054636.

Original entry on oeis.org

3, 29, 31, 43, 71, 73, 101, 173, 179, 199, 251, 281, 307, 379, 409, 421, 449, 463, 487, 491, 499, 521, 541, 547, 571, 593, 599, 619, 641, 659, 701, 709, 727, 739, 809, 829, 877, 907, 919, 953, 967, 971, 997, 1009, 1013, 1019, 1031, 1039, 1049, 1069, 1097
Offset: 1

Views

Author

Patrick De Geest, Apr 15 2000

Keywords

Examples

			012345671011121314151617202122232425...
--|...... sum 0+1+2 = prime 3
--------| sum 0+1+2+3+4+5+6+7+1 = prime 29

Crossrefs

Cf. A055063, A055058, A054632, A054636.

Extensions

Offset changed by Georg Fischer, Sep 02 2022

A055149 The first n digits of the juxtaposition of the base-8 numbers converted to decimal.

Original entry on oeis.org

1, 10, 83, 668, 5349, 42798, 342391, 2739129, 21913032, 175304257, 1402434057, 11219472457, 89755779658, 718046237265, 5744369898123, 45954959184985, 367639673479884, 2941117387839073, 23528939102712589, 188231512821700713
Offset: 1

Views

Author

Patrick De Geest, Apr 15 2000

Keywords

Examples

			1 (1); 12 (10); 123 (83); 1234 (668); 12345 (5349); 123456 (42798); ...

Crossrefs

Cf. A054634, A054636, A055062, A055063, A055143-A055150.

Programs

  • Mathematica
    nn=30;With[{b8=Flatten[IntegerDigits[Range[nn],8]]},Table[ FromDigits[ Take[ b8,n],8],{n,nn}]] (* Harvey P. Dale, Jul 12 2014 *)
Showing 1-3 of 3 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.