A337918 -id:A337918 - cp's OEIS frontend

A337919 Inverse permutation to A337918.

1, 2, 4, 7, 11, 16, 22, 29, 37, 46, 56, 3, 5, 8, 12, 17, 23, 30, 38, 191, 211, 232, 6, 9, 13, 18, 24, 31, 39, 436, 466, 497, 529, 10, 14, 19, 25, 32, 40, 781, 821, 862, 904, 947, 15, 20, 26, 33, 41, 1226, 1276, 1327, 1379, 1432, 1486, 21, 27, 34, 42, 1771

Offset: 1

Rémy Sigrist, Jan 29 2021

For any n > 0, A002024(a(n)) appears as a substring in n.

			A337918(67) = 120, hence a(120) = 67.

Rémy Sigrist, Table of n, a(n) for n = 1..10000
Rémy Sigrist, Perl program for A337919
Index entries for sequences that are permutations of the natural numbers

Cf. A002024, A337918.

Perl
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See Links section.
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A072484 Triangle in which the n-th row contains the n smallest numbers containing the string of digits of n in increasing order.

Original entry on oeis.org

1, 2, 12, 3, 13, 23, 4, 14, 24, 34, 5, 15, 25, 35, 45, 6, 16, 26, 36, 46, 56, 7, 17, 27, 37, 47, 57, 67, 8, 18, 28, 38, 48, 58, 68, 78, 9, 19, 29, 39, 49, 59, 69, 79, 89, 10, 100, 101, 102, 103, 104, 105, 106, 107, 108, 11, 110, 111, 112, 113, 114, 115, 116, 117, 118

Offset: 1

Amarnath Murthy, Jul 07 2002

			The triangle begins
1
2 12
3 13 23
4 14 24 34
.....
The 13th row is 13,113,130,131,132,133,134,135,136,137,138,139,213

Rémy Sigrist, Table of n, a(n) for n = 1..10011
Rémy Sigrist, Perl program for A072484

Cf. A072483, A072485, A293869, A337918.

Perl
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See Links section.
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T(n, k) = A293869(n, k) for any n > 0 and k = 1..n. - Rémy Sigrist, Jan 29 2021

Edited by T. D. Noe, Apr 23 2009
Example corrected by Robert Israel, Sep 25 2019
Offset changed to 1 by Rémy Sigrist, Jan 29 2021

cp's OEIS Frontend

A337919 Inverse permutation to A337918.

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Perl