162249
domain: N
Appears in sequences
- Starting index of a string of 5 or more consecutive equal digits in decimal expansion of Pi.at n=18A049517
- Starting index of a string of exactly 5 consecutive equal digits in decimal expansion of Pi.at n=16A049521
- Starting positions of strings of four 7's in the decimal expansion of Pi.at n=24A083632
- a(n) = Sum_{k=0..4} binomial(8,k)*binomial(n,k).at n=16A247609