A296451 - OEIS

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A296451

Anagraprod Integers. Integers N that reproduce their exact set of digits when all the products of two successive digits of N are done (and considered together).

135, 162, 261, 531, 1135, 1162, 1326, 1350, 1620, 2135, 2162, 2610, 2611, 2612, 2613, 2614, 2615, 2616, 2617, 2618, 2619, 3135, 3162, 4135, 4162, 5135, 5162, 5310, 5311, 5312, 5313, 5314, 5315, 5316, 5317, 5318, 5319, 6135, 6162, 6231, 7135, 7162, 8135, 8162, 9135, 9162, 11135, 11162, 11326, 11350, 11620, 13260, 13500, 16200, 21135, 21162, 21326, 21350, 21620, 22134, 23126, 26100, 26110, 26111, 26112, 26113, 26114, 26115

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OFFSET

1,1

COMMENTS

The sequence is infinite as each term can be extended with as many zeros as wanted. The name “anagraprod numbers” comes from “anagram by product”. The “anagrasum numbers” will be soon in the database (December 2017).

LINKS

Georges Brougnard, Table of n, a(n) for n = 1..304

EXAMPLE

135 reproduces the digits 1, 3 and 5 (in a different order) when the products 1x3=3 and 3x5=15 are done. The same with 162 which reproduces the digit 1, 6 and 2 when the products 1x6=6 and 6x2=12 are made.

CROSSREFS

Sequence in context: A235809 A066176 A025363 * A096593 A050215 A358778

Adjacent sequences: A296448 A296449 A296450 * A296452 A296453 A296454

KEYWORD

nonn,base

AUTHOR

Eric Angelini and Georges Brougnard, Dec 13 2017

STATUS

approved