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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
1
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 (list; graph; listen)
OFFSET

1,1

COMMENT

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: A118782 A106218 A118521 this_sequence A064799 A030499 A020751

Adjacent sequences: A095210 A095211 A095212 this_sequence A095214 A095215 A095216

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 08 2004

EXTENSIONS

More terms from Rick L. Shepherd (rshepherd2(AT)hotmail.com), Sep 05 2006

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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