OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, Refactorable Number
EXAMPLE
6 is in the sequence since it is the sum of 3 refactorable numbers in exactly one way, 6 = 2 + 2 + 2.
10 is in the sequence since it is the sum of 3 refactorable numbers in exactly one way, 10 = 1 + 1 + 8.
CROSSREFS
KEYWORD
nonn
AUTHOR
Wesley Ivan Hurt, Jun 09 2020
STATUS
approved