A254323 Remove in decimal representation of A254143(n) all repeated digits.

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

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