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A063493 (2*n-1)*(13*n^2-13*n+6)/6. 17
1, 16, 70, 189, 399, 726, 1196, 1835, 2669, 3724, 5026, 6601, 8475, 10674, 13224, 16151, 19481, 23240, 27454, 32149, 37351, 43086, 49380, 56259, 63749, 71876, 80666, 90145, 100339, 111274, 122976, 135471, 148785, 162944, 177974, 193901 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

T. P. Martin, Shells of atoms, Phys. Reports, 273 (1996), 199-241, eq. (10).

LINKS

Harry J. Smith, Table of n, a(n) for n=1,...,1000

PROG

(PARI) { for (n=1, 1000, write("b063493.txt", n, " ", (2*n - 1)*(13*n^2 - 13*n + 6)/6) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 23 2009]

CROSSREFS

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: A005906 A200839 A036660 * A027997 A146748 A029872

Adjacent sequences:  A063490 A063491 A063492 * A063494 A063495 A063496

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Aug 01 2001

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Last modified February 14 13:08 EST 2012. Contains 205623 sequences.