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!)
 A046538 First denominator and then numerator of the 1/3-Pascal triangle (by row), excluding 1's and 3's. 0
 4, 4, 7, 8, 7, 10, 5, 5, 10, 13, 25, 10, 25, 13, 16, 38, 55, 55, 38, 16, 19, 18, 31, 110, 31, 18, 19, 22, 73, 49, 203, 203, 49, 73, 22, 25, 95, 220, 350, 406, 350, 220, 95, 25, 28, 40, 105, 190, 252, 252, 190, 105, 40, 28, 31, 148, 145, 295, 442, 504, 442, 295 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE 1/1; --> 1/1  1/1; --> 1/1  1/3  1/1; --> 1/1  4/3  4/3  1/1; --> 4 4 1/1  7/3  8/3  7/3  1/1; --> 7 8 7 1/1 10/3  5/1  5/1 10/3  1/1; --> ... 1/1 13/3 25/3 10/1 25/3 13/3  1/1; 1/1 16/3 38/3 55/3 55/3 38/3 16/3 1/1; ... CROSSREFS Cf. A046534. Sequence in context: A238391 A049647 A263619 * A107432 A198991 A214990 Adjacent sequences:  A046535 A046536 A046537 * A046539 A046540 A046541 KEYWORD tabf,nonn,less AUTHOR EXTENSIONS Data corrected and extended by Sean A. Irvine, Apr 13 2021 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 June 23 05:11 EDT 2021. Contains 345395 sequences. (Running on oeis4.)