login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A095709 Triangle of numbers obtained by reversing the first n digits of Pi and juxtaposing. 0
3, 1, 3, 4, 1, 3, 1, 4, 1, 3, 5, 1, 4, 1, 3, 9, 5, 1, 4, 1, 3, 2, 9, 5, 1, 4, 1, 3, 6, 2, 9, 5, 1, 4, 1, 3, 5, 6, 2, 9, 5, 1, 4, 1, 3, 3, 5, 6, 2, 9, 5, 1, 4, 1, 3, 5, 3, 5, 6, 2, 9, 5, 1, 4, 1, 3, 8, 5, 3, 5, 6, 2, 9, 5, 1, 4, 1, 3, 9, 8, 5, 3, 5, 6, 2, 9, 5, 1, 4, 1, 3, 7, 9, 8, 5, 3, 5, 6, 2, 9, 5, 1, 4, 1, 3 (list; table; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

3; 1,3; 4,1,3; 1,4,1,3; 5,1,4,1,3;... (reverse order of 3; 3.1; 3.14; 3.141; 3.1415; ...)

PROG

(PARI) a(n)=if(n<1, 0, default(realprecision, n+2); floor(Pi*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. A000796.

Sequence in context: A130560 A088105 A030708 * A076152 A107638 A104765

Adjacent sequences:  A095706 A095707 A095708 * A095710 A095711 A095712

KEYWORD

base,easy,nonn,tabl

AUTHOR

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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 17 18:20 EST 2012. Contains 206061 sequences.