The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A046601 First numerator and then denominator of the 1/5-Pascal triangle (by row). To get a 1/5-Pascal triangle, replace "2" in the third row of the Pascal triangle with "1/5" and calculate all other rows as in the Pascal triangle. 28
 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 6, 5, 6, 5, 1, 1, 1, 1, 11, 5, 12, 5, 11, 5, 1, 1, 1, 1, 16, 5, 23, 5, 23, 5, 16, 5, 1, 1, 1, 1, 21, 5, 39, 5, 46, 5, 39, 5, 21, 5, 1, 1, 1, 1, 26, 5, 12, 1, 17, 1, 17, 1, 12, 1, 26, 5, 1, 1, 1, 1, 31, 5, 86, 5, 29, 1, 34, 1, 29, 1, 86, 5 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,10 LINKS EXAMPLE 1/1; 1/1  1/1; 1/1  1/5  1/1; 1/1  6/5  6/5  1/1; 1/1 11/5 12/5 11/5  1/1; 1/1 16/5 23/5 23/5 16/5  1/1; 1/1 21/5 39/5 46/5 39/5 21/5  1/1; 1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1; ... CROSSREFS Sequence in context: A140214 A343431 A071020 * A101025 A028315 A074062 Adjacent sequences:  A046598 A046599 A046600 * A046602 A046603 A046604 KEYWORD nonn,tabf,less AUTHOR 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.

Last modified April 22 15:47 EDT 2021. Contains 343177 sequences. (Running on oeis4.)