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.

A156117 Smaller of two successive primes using the same digits such that the hundreds digit is the most significant digit to differ.

Original entry on oeis.org

48091, 64091, 116293, 139091, 145091, 162091, 244091, 250091, 276781, 321091, 359783, 456293, 558091, 623071, 666091, 684091, 708091, 771091, 810091, 831091, 836071, 873091, 877091, 897781, 939091, 1032071, 1041091, 1065091, 1087091
Offset: 1

Views

Author

Ki Punches, Feb 12 2009

Keywords

Comments

One of the other two less significant digits (and possibly both) will also differ.
Most of the Ormiston prime pairs referenced in A069567 differ only in the two least significant digits.

Examples

			18379 is not included since the next prime 18397 does not change the hundreds digit even though the same digits are used.
64091 is included because the next prime is 64109 which uses the same digits and the hundreds digit is the most significant digit changed.
29610901 is not included because the next prime is 29611009 which differs in the thousands digit.
		

Crossrefs

Cf. A069567 properly contains this sequence.

Extensions

Edited and extended by Ray Chandler, Feb 19 2009