Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,1.
A037489
Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,1.
Terms
- a(0) =2a(1) =9a(2) =38a(3) =153a(4) =614a(5) =2457a(6) =9830a(7) =39321a(8) =157286a(9) =629145a(10) =2516582a(11) =10066329a(12) =40265318a(13) =161061273a(14) =644245094a(15) =2576980377a(16) =10307921510a(17) =41231686041a(18) =164926744166a(19) =659706976665
External references
- oeis: A037489