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 1-2 of 2 results.

A162789 a(n) = A162529(n)/9.

Original entry on oeis.org

9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 21, 23, 27, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233
Offset: 1

Views

Author

Omar E. Pol, Jul 13 2009

Keywords

Crossrefs

Cf. A161344, A162529, A162788, A162790.

A162903 a(n) = A162531(n)/11.

Original entry on oeis.org

11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 27, 29, 31, 33, 35, 37, 41, 43, 47, 49, 53, 55, 59, 61, 67, 71, 73, 77, 79, 83, 89, 97, 101, 103, 107, 109, 113, 121, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227
Offset: 1

Views

Author

Omar E. Pol and Zak Seidov, Jul 13 2009

Keywords

Comments

The only composite terms are 12,14,15,16,18,20,21,22,25,27,33,35,49,55,77,121.
After a(42) = 11^2 = 121 all terms are primes: n > 42, a(n) = A000040(n-12).

Crossrefs

Cf. A162531 (Numbers k whose largest divisor <= sqrt(k) equals 11), A000040 (Prime numbers).
Cf. A161344, A162531, A162790, A162792.
Showing 1-2 of 2 results.

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

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