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A095713 Triangle of numbers obtained by reversing the first n digits of golden ratio phi and juxtaposing. 1
1, 6, 1, 1, 6, 1, 8, 1, 6, 1, 0, 8, 1, 6, 1, 3, 0, 8, 1, 6, 1, 3, 3, 0, 8, 1, 6, 1, 9, 3, 3, 0, 8, 1, 6, 1, 8, 9, 3, 3, 0, 8, 1, 6, 1, 8, 8, 9, 3, 3, 0, 8, 1, 6, 1, 7, 8, 8, 9, 3, 3, 0, 8, 1, 6, 1, 4, 7, 8, 8, 9, 3, 3, 0, 8, 1, 6, 1, 9, 4, 7, 8, 8, 9, 3, 3, 0, 8, 1, 6, 1, 8, 9, 4, 7, 8, 8, 9, 3, 3, 0, 8, 1, 6, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..105.

EXAMPLE

1; 6,1; 1,6,1; 8,1,6,1; 0,8,1,6,1;... (reverse order of 1; 1.6; 1.61; 1.618; 1.6180;...)

MATHEMATICA

nn=20; With[{gr=RealDigits[GoldenRatio, 10, nn][[1]]}, Flatten[Table[ Reverse[ Take[gr, n]], {n, nn}]]] (* Harvey P. Dale, Jul 16 2012 *)

PROG

(PARI) a(n)=if(n<1, 0, default(realprecision, n+2); floor((1/2+sqrt(5)/2)*10^(n-1))%10); b(n)=1+binomial(1+floor(1/2+sqrt(2*n)), 2)-n; for(n=1, 120, print1(a(b(n)), ", ")

CROSSREFS

Cf. A001622.

Sequence in context: A319990 A138073 A131778 * A138072 A176348 A176264

Adjacent sequences:  A095710 A095711 A095712 * A095714 A095715 A095716

KEYWORD

base,easy,nonn,tabl

AUTHOR

Herman Jamke (hermanjamke(AT)fastmail.fm), Jul 07 2004

STATUS

approved

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Last modified September 21 21:32 EDT 2021. Contains 347605 sequences. (Running on oeis4.)