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A165212 The n-th term in the sequence is the minimal number that has some subset of DPS's that form an n-term arithmetic progression. 0
1, 4, 72, 1008, 36400 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Definition: m is a DPS (divisor pair sum) for n, if m = d + n/d where d | n, and d <= n/d.
LINKS
EXAMPLE
72's solution: 3+24, 4+18, 8+9. The difference between terms is 5. (Note: 72 = 3*24 = 4*18 = 8*9)
CROSSREFS
Sequence in context: A209539 A139745 A066992 * A263219 A358295 A100521
KEYWORD
hard,nonn
AUTHOR
Fred Schneider, Sep 08 2009
STATUS
approved

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Last modified February 23 11:05 EST 2024. Contains 370283 sequences. (Running on oeis4.)