A134561 Array T by antidiagonals: T(n,k) = k-th number whose Zeckendorf representation has exactly n terms.
1, 2, 4, 3, 6, 12, 5, 7, 17, 33, 8, 9, 19, 46, 88, 13, 10, 20, 51, 122, 232, 21, 11, 25, 53, 135, 321, 609, 34, 14, 27, 54, 140, 355, 842, 1596, 55, 15, 28, 67, 142, 368, 931, 2206, 4180, 89, 16, 30, 72, 143, 373, 965
Offset: 1
Examples
19 = 13 + 5 + 1 is the 3rd-largest number (after 12 and 17) that has a 3-term Zeckendorf representation; i.e., the (unique) sum of distinct non-neighboring Fibonacci numbers. Northwest corner: 1 2 3 5 8 13 4 6 7 9 10 11 12 17 19 20 25 27 33 46 51 53 54 67
Links
- C. Kimberling, The Zeckendorf array equals the Wythoff array, Fibonacci Quarterly 33 (1995) 3-8.
- Index entries for sequences that are permutations of the natural numbers
Crossrefs
Cf. A035513.
Comments