41943039
domain: N
Appears in sequences
- a(n) = 5*2^(n-1) - 1, n>0, with a(0)=1.at n=24A052549
- a(n) = T(n,1), array T as in A054134.at n=24A054135
- a(n) = Sum_{k=0..n} binomial(n+(-1)^k, k).at n=24A087940
- a(n) = 5*2^n - 1.at n=23A153894
- a(n) = (n-1)*2^n - 1.at n=20A163383
- a(n) is the least integer m > 1 such that n is the largest number of identical digits that can end m^k for positive integer k.at n=22A244364