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A050743 Numbers k such that the decimal expansion of k^4 contains no pair of consecutive equal digits. 1
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 17, 18, 19, 22, 23, 25, 26, 28, 29, 31, 32, 36, 37, 38, 41, 44, 47, 48, 49, 51, 53, 54, 55, 61, 63, 65, 66, 68, 72, 73, 75, 77, 78, 81, 82, 83, 84, 87, 91, 92, 93, 94, 95, 96, 99, 101, 102, 106, 107, 111, 112, 113, 116, 124 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..69.

MATHEMATICA

Select[Range[0, 200], And@@(First[#]!=Last[#]&/@ Partition[ IntegerDigits [#^4], 2, 1])&]  (* Harvey P. Dale, Apr 11 2011 *)

CROSSREFS

Cf. A050751.

Sequence in context: A178160 A052044 A253643 * A306311 A028964 A219361

Adjacent sequences:  A050740 A050741 A050742 * A050744 A050745 A050746

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Sep 15 1999

STATUS

approved

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Last modified October 28 17:59 EDT 2021. Contains 348329 sequences. (Running on oeis4.)