A378049 Numbers k such that the least m for which m*k is a lucky number (if such an m exists) sets a new record.

1, 5, 19, 59, 121, 1843, 6233, 57637, 84019, 183023

Offset

1,2

Comments

Indices of records in A377776 are given by (a(n)-1)/2.

Links

Table of n, a(n) for n=1..10.

Example

19 is a term since 133 = 7*19 is the smallest multiple of 19 that is a lucky number and, for all k < 19, either no multiple of k is a lucky number or m*k is a lucky number for some m < 7.

Crossrefs

Cf. A000959, A377776, A378050, A378051.

Sequence in context: A029861 A224034 A107179 * A332720 A092442 A341711

Adjacent sequences: A378046 A378047 A378048 * A378050 A378051 A378052

Keyword

nonn,more

Author

Pontus von Brömssen, Nov 15 2024

Status

approved