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A086722 Decimal expansion of g(1)+g(2)-g(4)-g(5), where g(k) = sum(1/(6*m+k)^2,m=0..infinity). 9
1, 1, 7, 1, 9, 5, 3, 6, 1, 9, 3, 4, 4, 7, 2, 9, 4, 4, 5, 3, 0, 0, 7, 8, 1, 1, 4, 4, 4, 3, 6, 1, 3, 8, 5, 3, 4, 5, 4, 7, 7, 0, 1, 5, 0, 4, 8, 1, 7, 9, 2, 8, 1, 3, 0, 3, 3, 3, 1, 5, 0, 0, 9, 4, 4, 5, 0, 3, 3, 0, 4, 7, 6, 9, 7, 7, 4, 2, 7, 3, 2, 7, 1, 3, 9, 3, 0, 4, 3, 5, 6, 2, 4, 8, 3, 1, 4, 7, 9 (list; constant; graph; refs; listen; history; internal format)
OFFSET

1,3

REFERENCES

L. Fejes Toth, Lagerungen in der Ebene, auf der Kugel und im Raum, 2nd. ed., Springer-Verlag, Berlin, Heidelberg 1972; see p. 213.

EXAMPLE

1.1719536193447294453...

CROSSREFS

Cf. A086723-A086731.

Sequence in context: A153870 A176437 A199463 * A200500 A199669 A197019

Adjacent sequences:  A086719 A086720 A086721 * A086723 A086724 A086725

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Jul 31 2003

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Last modified February 17 16:49 EST 2012. Contains 206058 sequences.