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 A021444 Decimal expansion of 1/440. 2
 0, 0, 2, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Antti Karttunen, Table of n, a(n) for n = 0..1001 Index entries for linear recurrences with constant coefficients, signature (0,1). FORMULA a(n) = (1/2)*[9+5*(-1)^n]-7*[C(2*n,n) mod 2]-2*{C[(n+1)^2,n+3] mod 2}-5*{C[(n+12)^4,n+14] mod 2}, with n>=0. - Paolo P. Lava, Nov 11 2009 PROG (PARI) 1/440. \\ Charles R Greathouse IV, Jul 13 2016 (Scheme) (define (A021444 n) (cond ((<= n 1) 0) ((= 2 n) n) ((even? n) 7) (else 2))) ;; Antti Karttunen, Sep 14 2017 CROSSREFS Cf. A010697. Sequence in context: A208475 A082837 A138115 * A029632 A089588 A211780 Adjacent sequences:  A021441 A021442 A021443 * A021445 A021446 A021447 KEYWORD nonn,cons,easy AUTHOR STATUS approved

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Last modified January 23 01:55 EST 2018. Contains 298093 sequences.