33172
domain: N
Appears in sequences
- Series for second parallel moment of square lattice (eventually changes sign).at n=10A006733
- Numbers n such that A005210(n) = 0.at n=9A051202
- Least of four consecutive numbers which are cubefree and not squarefree, i.e., numbers k such that {k, k+1, k+2, k+3} are in A067259.at n=16A071320
- Starts for strings of at least five consecutive nonsquarefree numbers.at n=21A078144
- Starting positions of strings of three 5's in the decimal expansion of Pi.at n=34A083620
- Starting positions of strings of four 5's in the decimal expansion of Pi.at n=2A083621
- Index of first occurrence of just n consecutive fives in a row in the decimal expansion of Pi.at n=3A096759
- Least nonnegative k such that 3^(2^n)+k is prime.at n=15A157979
- a(n) = minimal positive k such that the concatenation of the decimal digits of n,n+1,...,n+k is divisible by n+k+1, or -1 if no such k exists.at n=25A332580
- Expansion of Product_{k>=1} (1 + x^k + x^(k+2)).at n=44A345729