This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A137712 Triangle read by rows: T(n,k) = T(n-1, k-1) - T(n-k, k-1); with left border = the Fibonacci sequence. 1
 1, 1, 1, 2, 0, 1, 3, 1, 0, 1, 5, 1, 0, 0, 1, 8, 2, 1, 0, 0, 1, 13, 3, 1, 1, 0, 0, 1, 21, 5, 2, 1, 1, 0, 0, 1, 34, 8, 3, 2, 0, 1, 0, 0, 1, 55, 13, 5, 2, 2, 0, 1, 0, 0, 1, 89, 21, 8, 4, 2, 1, 0, 1, 0, 0, 1, 144, 34, 13, 6, 3, 2, 1, 0, 1, 0, 0, 1, 233, 55, 21, 10, 5, 3, 1, 1, 0, 1, 0, 0, 1, 377, 89, 34 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 COMMENTS Row sums = A137713: (1, 2, 3, 5, 7, 13, 19, 31, 49, 80, 127,...). A137710 is the analogous triangle with left border = (1, 2, 4, 8, 16, 32,...). LINKS FORMULA T(n,k) = T(n-1, k-1) - T(n-k, k-1), given left border = (1, 1, 2, 3, 5, 8, 13,...). EXAMPLE First few rows of the triangle are: 1; 1, 1; 2, 0, 1; 3, 1, 0, 1; 5, 1, 0, 0, 1; 8, 2, 1, 0, 0, 1; 13, 3, 1, 1, 0, 0, 1; 21, 5, 2, 1, 1, 0, 0, 1; 34, 8, 3, 2, 0, 1, 0, 0, 1; 55, 13, 5, 2, 2, 0, 1, 0, 0, 1; 89, 21, 8, 4, 2, 1, 0, 1, 0, 0, 1; 144, 34, 13, 6, 3, 2, 1, 0, 1, 0, 0, 1; 233, 55, 21, 10, 5, 3, 1, 1, 0, 1, 0, 0, 1; 377, 89, 34, 16, 8, 4, 3, 1, 1, 0, 1, 0, 0, 1; ... CROSSREFS Cf. A137713, A137710. Sequence in context: A079221 A168019 A026794 * A194711 A168532 A181940 Adjacent sequences:  A137709 A137710 A137711 * A137713 A137714 A137715 KEYWORD nonn,tabl AUTHOR Gary W. Adamson, Feb 08 2008 STATUS approved

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 .