OFFSET
1,1
COMMENTS
20161 is the largest number not in this sequence.
REFERENCES
The Penguin Dictionary of Curious and Interesting Numbers, David Wells, entry 20161.
FORMULA
a(n) = n + 1456 if n > 18705. - Charles R Greathouse IV, Feb 21 2017
EXAMPLE
12 is abundant, so 12+12=24 is in the sequence.
957 = 12 + 945 is in the sequence because 12 and 945 are abundant.
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved