OFFSET
2,1
FORMULA
EXAMPLE
n = 4: Compare the row of an array with all multiples of k <= n, for k = 1,2, ..., n with the row of A348389:
All multiples of k <= 4 for k = 1..4: [1 2 3 4|2 4|3|4] with row sum A143127(4) = 23.
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Oct 31 2021
STATUS
approved