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A048260
The sum of 2 (not necessarily distinct) abundant numbers.
4
24, 30, 32, 36, 38, 40, 42, 44, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 110, 112, 114, 116, 118, 120, 122, 124, 126, 128, 130, 132, 134, 136, 138, 140, 142, 144, 146, 148, 150
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
Cf. A005101. Complement of A048242.
Sequence in context: A058228 A093455 A080564 * A333946 A354809 A337933
KEYWORD
nonn,easy
AUTHOR
STATUS
approved