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A133662
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Lexically least increasing sequence such that the sum of any nonempty subsequence is not a square.
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1
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2, 3, 5, 10, 27, 38, 120, 258, 907, 2030, 3225, 8295, 15850, 80642, 378295, 1049868, 3031570, 12565348, 34530254, 122586800, 415026860, 1454069870, 4870827425, 18129394322, 77805478498
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| a(26) <= 299244596987. - Donovan Johnson
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EXAMPLE
| 10 is here because none of 10, 10+2, 10+3, 10+5, 10+2+3, 10+2+5, 10+3+5 and 10+2+3+5 are square numbers.
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CROSSREFS
| Cf. A064776.
Sequence in context: A011832 A011833 A007695 * A204518 A088938 A000617
Adjacent sequences: A133659 A133660 A133661 * A133663 A133664 A133665
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KEYWORD
| nonn,more
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AUTHOR
| Randy L. Ekl (Randy.Ekl(AT)Motorola.com), Dec 28 2007
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EXTENSIONS
| Edited by Don Reble (djr(AT)nk.ca), Dec 30 2007
Definition corrected by Don Reble, Jan 01 2008
a(23)-a(25) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Jan 30 2011
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