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Search: id:A063494
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| A063494 |
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(2*n-1)*(7*n^2-7*n+3)/3. |
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+0
17
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| 1, 17, 75, 203, 429, 781, 1287, 1975, 2873, 4009, 5411, 7107, 9125, 11493, 14239, 17391, 20977, 25025, 29563, 34619, 40221, 46397, 53175, 60583, 68649, 77401, 86867, 97075, 108053, 119829, 132431, 145887, 160225, 175473, 191659, 208811
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OFFSET
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1,2
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REFERENCES
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T. P. Martin, Shells of atoms, Phys. Reports, 273 (1996), 199-241, eq. (10).
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,1000
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PROGRAM
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(PARI) { for (n=1, 1000, write("b063494.txt", n, " ", (2*n - 1)*(7*n^2 - 7*n + 3)/3) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 23 2009]
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CROSSREFS
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1/12*t*(2*n^3-3*n^2+n)+2*n-1 for t = 2, 4, 6, ... gives A049480, A005894, A063488, A001845, A063489, A005898, A063490, A057813, A063491, A005902, A063492, A005917, A063493, A063494, A063495, A063496.
Sequence in context: A165691 A154419 A097223 this_sequence A146594 A124898 A036429
Adjacent sequences: A063491 A063492 A063493 this_sequence A063495 A063496 A063497
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Aug 01 2001
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