A390934 Least k such that n divides A001358(k) - A001358(j) for some 1 <= j < k.

2, 2, 3, 4, 3, 4, 7, 5, 6, 5, 6, 7, 8, 12, 7, 8, 7, 8, 9, 10, 9, 10, 11, 11, 12, 13, 11, 12, 11, 12, 13, 14, 15, 14, 15, 16, 16, 26, 17, 16, 18, 16, 17, 21, 17, 19, 18, 20, 19, 23, 19, 21, 20, 21, 23, 22, 27, 22, 23, 24, 23, 26, 24, 25, 24, 30, 26, 25, 31, 25

Offset

1,1

Links

Ctibor O. Zizka, Table of n, k for n = 1..1000

Ctibor O. Zizka, Scatterplot of n vs. k

Example

For n = 5: The least k such that n = 5 divides A001358(k) - A001358(j) is k = 3, because A001358(3) - A001358(1) = 9 - 4 = 5.

Crossrefs

Cf. A001358.

Sequence in context: A119457 A241356 A065157 * A235804 A051597 A084193

Adjacent sequences: A390931 A390932 A390933 * A390935 A390936 A390937

Keyword

nonn

Author

Ctibor O. Zizka, Nov 24 2025

Status

approved