This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A256658 #4 Apr 09 2015 07:59:06 %S A256658 1,9,2,14,15,3,17,23,24,5,22,28,37,39,8,27,36,45,60,63,13,30,44,58,73, %T A256658 97,102,21,35,49,71,94,118,157,165,34,43,57,79,115,152,191,254,267,55, %U A256658 48,70,92,128,186,246,309,411,432,89,51,78,113,149,207,301 %N A256658 Rectangular array by antidiagonals: row n consists of numbers k such that F(n+1) is the trace of the minimal alternating Fibonacci representation of k, where F = A000045 (Fibonacci numbers). %C A256658 See A256655 for definitions. This array and the array at A256659 partition the positive integers. The row differences are Fibonacci numbers. The columns satisfy the Fibonacci recurrence x(n) = x(n-1) + x(n-2). %e A256658 Northwest corner: %e A256658 1 9 14 17 22 27 30 35 43 %e A256658 2 15 23 28 36 44 49 57 70 %e A256658 3 24 37 45 58 71 79 92 113 %e A256658 5 39 69 73 94 115 128 149 183 %e A256658 8 63 97 118 152 186 207 241 296 %e A256658 13 102 157 191 246 301 335 390 479 %t A256658 b[n_] = Fibonacci[n]; bb = Table[b[n], {n, 1, 70}]; %t A256658 h[0] = {1}; h[n_] := Join[h[n - 1], Table[b[n + 2], {k, 1, b[n]}]]; %t A256658 g = h[18]; r[0] = {0}; %t A256658 r[n_] := If[MemberQ[bb, n], {n}, Join[{g[[n]]}, -r[g[[n]] - n]]]; %t A256658 t = Table[Last[r[n]], {n, 0, 1000}]; (* A256656 *) %t A256658 TableForm[Table[Flatten[-1 + Position[t, b[n]]], {n, 2, 8}]] (* A256658 *) %t A256658 TableForm[Table[Flatten[-1 + Position[t, -b[n]]], {n, 2, 8}]] (* A256659 *) %Y A256658 Cf. A000045, A256655, A256659. %K A256658 nonn,tabl,easy %O A256658 1,2 %A A256658 _Clark Kimberling_, Apr 08 2015