The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A046214 First denominator and then numerator of 1/2-Pascal triangle (by row). 0
 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 3, 2, 3, 1, 1, 1, 1, 2, 5, 1, 3, 2, 5, 1, 1, 1, 1, 2, 7, 2, 11, 2, 11, 2, 7, 1, 1, 1, 1, 2, 9, 1, 9, 1, 11, 1, 9, 2, 9, 1, 1, 1, 1, 2, 11, 2, 27, 1, 20, 1, 20, 2, 27, 2, 11, 1, 1, 1, 1, 2, 13, 1, 19, 2, 67, 1, 40, 2, 67, 1, 19, 2, 13, 1, 1, 1, 1, 2, 15, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,9 LINKS Table of n, a(n) for n=1..95. EXAMPLE 1/1; --> 1 1 1/1 1/1; --> 1 1 1 1 1/1 1/2 1/1; --> 1 1 2 1 1 1 1/1 3/2 3/2 1/1; --> ... 1/1 5/2 3/1 5/2 1/1; 1/1 7/2 11/2 11/2 7/2 1/1; 1/1 9/2 9/1 11/1 9/1 9/2 1/1; 1/1 11/2 27/2 20/1 20/1 27/2 11/2 1/1;... CROSSREFS Cf. A046213. Sequence in context: A062093 A177457 A357139 * A232088 A115413 A292435 Adjacent sequences: A046211 A046212 A046213 * A046215 A046216 A046217 KEYWORD tabf,nonn,frac AUTHOR Mohammad K. Azarian STATUS approved

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

Last modified October 3 10:33 EDT 2023. Contains 365860 sequences. (Running on oeis4.)