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A176636 Periodic sequence: Repeat 57, 71. 2
57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57, 71, 57 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Continued fraction expansion of (4047+sqrt(16394397))/142.

Inverse binomial transform of 57 followed by 128*A000079.

Third inverse binomial transform of A176635.

LINKS

Table of n, a(n) for n=0..68.

FORMULA

a(n) = 64-7*(-1)^n.

a(n) = -a(n-1)+128 for n > 0; a(0) = 57.

a(n) = a(n-2) for n > 1; a(0) = 57, a(1) = 71.

G.f.: (57+71*x)/((1-x)*(1+x)).

MATHEMATICA

PadRight[{}, 100, {57, 71}] (* Harvey P. Dale, Jun 18 2014 *)

PROG

(MAGMA) &cat[ [57, 71]: k in [1..35] ];

CROSSREFS

Cf. A000079 (powers of 2), A176635, A176713 (decimal expansion of (4047+sqrt(16394397))/142).

Sequence in context: A056082 A218562 A067809 * A072054 A230956 A039429

Adjacent sequences:  A176633 A176634 A176635 * A176637 A176638 A176639

KEYWORD

easy,cofr,nonn

AUTHOR

Klaus Brockhaus, Apr 22 2010

EXTENSIONS

Comment, crossref and keyword cofr added by Klaus Brockhaus, Apr 24 2010

STATUS

approved

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Last modified August 29 03:31 EDT 2015. Contains 261184 sequences.