| 220, 440, 661, 881, 1105, 1325, 1546, 1766, 1991, 2211, 2432, 2652, 2876, 3096, 3317, 3537, 3771, 3991, 4212, 4432, 4656, 4876, 5097, 5317, 5542, 5762, 5983, 6203, 6427, 6647, 6868, 7088, 7326, 7546, 7767, 7987, 8211, 8431, 8652, 8872, 9097, 9317, 9538
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Despite appearances, this is a highly irregular sequence. - N. J. A. Sloane, (njas(AT)research.att.com)
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CROSSREFS
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Sequence in context: A064477 A121507 A063990 this_sequence A135807 A102073 A002025
Adjacent sequences: A157104 A157105 A157106 this_sequence A157108 A157109 A157110
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KEYWORD
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nonn
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AUTHOR
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Paul Curtz (bpcrtz(AT)free.fr), Feb 23 2009
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EXTENSIONS
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Edited by N. J. A. Sloane, (njas(AT)research.att.com), Feb 24 2009
More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 24 2009
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