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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A146979 Number of Pythagorean triples (a,b,c), a^2+b^2=c^2, with a,b,c all n-digit numbers, a<b. 1
1, 43, 660, 8834, 110452, 1325746, 15469935, 176818558, 1989376733, 22105676071, 243175818741 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

n=1: a(1)=1 Pythagorean triple (2,3,5), 3^2+4^2=5^2; n=2: a(2)=43 Pythagorean triples {a,b,c}, {10, 24, 26},..,{65,72,97}.

CROSSREFS

Sequence in context: A060888 A245427 A229689 * A278174 A157722 A010959

Adjacent sequences:  A146976 A146977 A146978 * A146980 A146981 A146982

KEYWORD

base,more,nonn

AUTHOR

Zak Seidov, Nov 04 2008

EXTENSIONS

a(6)-a(11) from Lars Blomberg, Aug 28 2013

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 23 07:00 EDT 2019. Contains 323508 sequences. (Running on oeis4.)