The decimal expansion of a(n) is the first n terms of A000002.

A329360

The decimal expansion of a(n) is the first n terms of A000002.

Terms

    a(0) =0a(1) =1a(2) =12a(3) =122a(4) =1221a(5) =12211a(6) =122112a(7) =1221121a(8) =12211212a(9) =122112122a(10) =1221121221a(11) =12211212212a(12) =122112122122

External references