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A113463 Triangle read by rows: n-th row is the smallest set of n numbers in arithmetic progression with the distinct prime signatures. 2
1, 1, 2, 2, 4, 6, 2, 4, 6, 8, 8, 9, 10, 11, 12, 23, 24, 25, 26, 27, 28, 24, 25, 26, 27, 28, 29, 30, 103, 114, 125, 136, 147, 158, 169, 180, 304, 330, 356, 382, 408, 434, 460, 486, 512, 324, 368, 412, 456, 500, 544, 588, 632, 676, 720, 8, 172, 336, 500, 664, 828, 992, 1156 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
In this sequence "smallest" means that the last term of the arithmetic progression is minimized, with ties broken by minimizing the first term (or equivalently, by maximizing the common difference).
LINKS
CROSSREFS
Sequence in context: A087377 A010768 A143267 * A278217 A191674 A238959
KEYWORD
nonn,tabl,less
AUTHOR
David Wasserman, Jan 08 2006
STATUS
approved

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Last modified March 29 06:57 EDT 2024. Contains 371265 sequences. (Running on oeis4.)