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A092742 Decimal expansion of 1/Pi^2. 9
1, 0, 1, 3, 2, 1, 1, 8, 3, 6, 4, 2, 3, 3, 7, 7, 7, 1, 4, 4, 3, 8, 7, 9, 4, 6, 3, 2, 0, 9, 7, 2, 7, 6, 3, 8, 9, 0, 4, 3, 5, 8, 7, 7, 4, 6, 7, 2, 2, 4, 6, 5, 4, 8, 8, 4, 5, 6, 0, 9, 0, 3, 1, 8, 9, 4, 1, 7, 3, 1, 2, 0, 9, 6, 2, 2, 3, 5, 4, 4, 1, 1, 9, 1, 2, 0, 9, 2, 7, 3, 9, 2, 5, 6, 2, 1, 8, 3, 7, 6, 1, 3, 6, 2, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
0,4
COMMENTS
The asymptotic density of squarefree numbers that are divisible by 5. - Amiram Eldar, Mar 25 2021
LINKS
S. Ramanujan, Some formulas in the analytic theory of numbers Messenger of Mathematics, XLV, 1916, pp. 81-84, Formula (3).
EXAMPLE
0.101321183642337771443879463209727638904358774672246548845609...
MATHEMATICA
RealDigits[N[1/Pi^2, 200]] (* Vladimir Joseph Stephan Orlovsky, May 27 2010 *)
PROG
(PARI) c=Pi^-2; a=eval(vecextract(Vec(Str(c)), "3..-2")) \\ M. F. Hasler, Sep 16 2011
CROSSREFS
Cf. A000796 (Pi), A002388 (Pi^2), A091925 (Pi^3), A092425 (Pi^4), A092731 (Pi^5), A092732 (Pi^6), A092735 (Pi^7), A092736 (Pi^8).
Cf. A049541 (1/Pi), A092743 (1/Pi^3), A092744 (1/Pi^4), A092745 (1/Pi^5), A092746 (1/Pi^6), A092747 (1/Pi^7), A092748 (1/Pi^8).
Sequence in context: A293181 A229345 A240235 * A316564 A214742 A204124
KEYWORD
cons,nonn
AUTHOR
Mohammad K. Azarian, Apr 12 2004
STATUS
approved

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Last modified March 29 11:14 EDT 2024. Contains 371278 sequences. (Running on oeis4.)