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A254323 Remove in decimal representation of A254143(n) all repeated digits. 4
1, 4, 7, 16, 28, 34, 37, 49, 67, 136, 148, 238, 259, 268, 34, 37, 367, 469, 67, 156, 1258, 136, 1348, 1369, 1468, 278, 238, 2359, 2479, 2569, 268, 34, 37, 367, 367, 489, 469, 67, 1356, 1458, 12358, 12469, 12478, 136, 1348, 13468, 13579, 1468, 2378, 2579 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n) <= 123456789 for all n, and a(n) < 123456789 for n < 396;

a(396) = 123456789 = A050289(1);

a(n) = A137564(A254143(n)) = A004086(A227362(A254143(n))).

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

PROG

(Haskell)

a254323 = a137564 . a254143

CROSSREFS

Cf. A254143, A137564, A227362, A004086, A050289.

Cf. A254338 (initial digits), A254339 (final digits).

Sequence in context: A259653 A164123 A005513 * A254143 A025619 A093210

Adjacent sequences:  A254320 A254321 A254322 * A254324 A254325 A254326

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Jan 28 2015

STATUS

approved

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Last modified May 14 04:27 EDT 2021. Contains 343872 sequences. (Running on oeis4.)