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A115040 Minimum largest of a set of n distinct positive integers such that the sum of any pair is a square. 3
3, 30, 3362, 763442 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,1
COMMENTS
a(6) > 10^9. - Lars Blomberg, Oct 29 2014
LINKS
Michael Winckler, Puzzle 051 [Cached copy at the Wayback Machine]
Michael Winckler, Solution to Puzzle No. 051 [Cached copy at the Wayback Machine]
EXAMPLE
a(2) = 3: {1, 3},
a(3) = 30: {6, 19, 30},
a(4) = 3362: {2, 359, 482, 3362},
a(5) = 763442: {7442, 28658, 148583, 177458, 763442}.
CROSSREFS
Sequence in context: A208789 A296173 A248728 * A296409 A296407 A308383
KEYWORD
nonn,nice,hard,more
AUTHOR
STATUS
approved

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Last modified September 27 20:41 EDT 2023. Contains 365714 sequences. (Running on oeis4.)