Autobiographical numbers: the first digit specifies how many 0's in the number, the next digit specifies how many 1's, etc. This version is not limited to 10 digits.

A138480

Autobiographical numbers: the first digit specifies how many 0's in the number, the next digit specifies how many 1's, etc. This version is not limited to 10 digits.

Terms

    a(0) =1210a(1) =2020a(2) =21200a(3) =3211000a(4) =42101000a(5) =521001000a(6) =6210001000a(7) =72100001000a(8) =821000001000

External references