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A181759
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Denominators of an extended Rydberg-Ritz spectrum of hydrogen atom: 1/9 -1/n^2.
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1
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1, 36, 9, 0, 9, 36, 1, 144, 225, 12, 441, 576, 81, 900, 1089, 48, 1521, 1764, 75, 2304, 2601, 324, 3249, 3600, 147, 4356, 4761, 64, 5625, 6084, 729, 7056, 7569, 100, 8649, 9216, 363, 10404, 11025
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OFFSET
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-3,2
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COMMENTS
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Companion to A171709. The fractional antispectrum is 0, -5/36, -8/9, -1, -8/9, -5/36, before ( (A061039/A061040) =0, 7/144, ). For case n=0 , -1 must be taken. Paschen case: see A174413.
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LINKS
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Table of n, a(n) for n=-3..35.
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FORMULA
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a(n) = A061040(n), n>=3.
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CROSSREFS
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Cf. A061040.
Sequence in context: A159824 A100252 A020340 * A097488 A061046 A109256
Adjacent sequences: A181756 A181757 A181758 * A181760 A181761 A181762
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KEYWORD
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nonn,frac
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AUTHOR
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Paul Curtz
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STATUS
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approved
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