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.

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

Author

Amarnath Murthy, Jun 08 2004

Keywords

• nonn

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.

Examples

			a(3) = 12 = 1+4+7 = 2+4+6 = 3+4+5.
		

Crossrefs

Cf. A014405.

Extensions

More terms from Rick L. Shepherd, Sep 05 2006