28299

Appears in sequences

• Indices k such that A019326(k)=Phi[k](8) is prime, where Phi is a cyclotomic polynomial.at n=36A138938
• Numbers k such that k^6 - 2 and k^6 + 2 are both primes.at n=35A154938
• Numbers n such that the n-th digit (after the decimal point) in the decimal expansion of Pi are the occurrence of the least significant digit represented by the more significant digits.at n=20A201545
• Number of n X 4 nonnegative integer arrays with upper left 0 and every value within 2 of its city block distance from the upper left and every value increasing by 0 or 1 with every step right or down.at n=7A252816
• Numbers with five neighboring primes on the hexagonal spiral board of odd numbers.at n=25A345654