Alternately concatenate the decimal digits from front to back 1...n such that n is always to the right.
A281253
Alternately concatenate the decimal digits from front to back 1...n such that n is always to the right.
Terms
- a(0) =1a(1) =12a(2) =213a(3) =3124a(4) =42135a(5) =531246a(6) =6421357a(7) =75312468a(8) =864213579a(9) =97531246810
External references
- oeis: A281253