Position where concatenate(1,...,n) occurs for the first time in the decimals of Pi (where 3, 1, 4,... are at position 0, 1, 2,...).

A121280

Position where concatenate(1,...,n) occurs for the first time in the decimals of Pi (where 3, 1, 4,... are at position 0, 1, 2,...).

Terms

    a(0) =1a(1) =148a(2) =1924a(3) =13807a(4) =49702a(5) =2458885a(6) =9470344a(7) =186557266a(8) =523551502a(9) =191278379839

External references