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A026471
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a(n) = least positive integer > a(n-1) and not of the form a(i)+a(j)+a(k) for 1<=i<j<k<=n.
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4
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1, 2, 3, 4, 5, 13, 14, 15, 25, 26, 27, 37, 38, 48, 49, 50, 60, 61, 71, 72, 73, 83, 84, 94, 95, 96, 106, 107, 117, 118, 119, 129, 130, 140, 141, 142, 152, 153, 163, 164, 165, 175, 176, 186, 187, 188, 198, 199, 209, 210, 211, 221, 222, 232, 233, 234, 244, 245, 255
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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FORMULA
| {1, 5, 13} union {n congruent 2, 3, 4, 14, 15 mod 23}, proved by Matthew Akeran. - R. Stephan, Nov 15 2004
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CROSSREFS
| Cf. A033627, A003278, A075122, A075123.
Sequence in context: A109744 A065635 A101546 * A039039 A141484 A175303
Adjacent sequences: A026468 A026469 A026470 * A026472 A026473 A026474
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KEYWORD
| nonn
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AUTHOR
| Clark Kimberling (ck6(AT)evansville.edu)
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EXTENSIONS
| Edited by Floor van Lamoen (fvlamoen(AT)hotmail.com), Sep 02 2002.
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