A360778 - OEIS

A360778

Smallest number k such that n + k is a refactorable number.

1, 0, 0, 5, 4, 3, 2, 1, 0, 0, 2, 1, 0, 5, 4, 3, 2, 1, 0, 5, 4, 3, 2, 1, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 3, 2, 1, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 3, 2, 1, 0, 3, 2, 1, 0

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OFFSET

0,4

COMMENTS

a(n) = 0 for n from A033950.

LINKS

Table of n, a(n) for n=0..88.

EXAMPLE

a(0) = 1 because 0 + 1 = 1, the next higher refactorable number.

a(1) = 0 because 1 is refactorable number.

a(2) = 0 because 2 is refactorable number.

a(3) = 5 because 3 + 5 = 8, the next higher refactorable number.