A383193 The lexicographically earliest "mean-central" sequence, as is defined in A383192.

1, 3, 5, 6, 10, 11, 12, 13, 19, 20, 21, 23, 25, 26, 27, 28, 36, 37, 38, 39, 41, 42, 46, 47, 49, 51, 53, 55, 56, 57, 58, 59, 69, 70, 71, 72, 73, 75, 77, 78, 82, 83, 84, 85, 91, 92, 93, 94, 98, 99, 101, 102, 106, 107, 109, 111, 113, 115, 117, 118, 119, 120

Offset

1,2

Links

Table of n, a(n) for n=1..62.

Art of Problem Solving, European Girls' Mathematical Olympiad 2025 Problem 2

Yifan Xie, Python program

Crossrefs

Cf. A383192, A383194.

Sequence in context: A244671 A391349 A232531 * A391347 A182637 A331915

Adjacent sequences: A383190 A383191 A383192 * A383194 A383195 A383196

Keyword

nonn

Author

Yifan Xie, Apr 20 2025

Status

approved