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A095213
Least number that can be expressed as the sum of at least three successive terms of an arithmetic progression with positive terms in n distinct ways.
0
6, 9, 12, 35, 15, 18, 21, 24, 27, 95, 33, 98, 30, 80, 36, 145, 155, 42, 48, 45, 110, 154, 54, 69, 63, 235, 268, 175, 66, 60, 81, 72, 93, 75, 275, 266, 190, 99, 84, 111, 200, 96, 395, 123, 102, 117, 416, 220, 90, 108, 141, 496, 105, 2651, 475, 260, 159, 364, 434, 147
OFFSET
1,1
COMMENTS
Subsidiary sequence: Least number that could be expressed as the sum of at least three successive terms of a geometric progression with positive terms in n distinct ways.
EXAMPLE
a(3) = 12 = 1+4+7 = 2+4+6 = 3+4+5.
CROSSREFS
Cf. A014405.
Sequence in context: A315961 A315962 A118521 * A263773 A242874 A284800
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Jun 08 2004
EXTENSIONS
More terms from Rick L. Shepherd, Sep 05 2006
STATUS
approved