75703

Properties

Appears in sequences

• Number of n-step spirals on hexagonal lattice.at n=15A006776
• Sum of 1-fibits in Zeckendorf-expansion A014417(p) summed for all primes p in range [Fib(n+1),Fib(n+2)[ (where Fib = A000045).at n=25A095353
• a(n) is the smallest integer k such that the difference between the arithmetic and geometric means of the first k positive integers is larger than 10^n.at n=4A111334
• Numerators of z-sequence for the Sheffer matrix (triangle) A094816 (coefficients of Poisson-Charlier polynomials).at n=8A130189
• Primes of the form 7n^2 - 9.at n=22A201854
• Primes p such that q = 2*p^3-1 and 2*p*q^2-1 are both prime.at n=23A224614
• Primes whose binary reversal is a square.at n=39A226019
• First primes of arithmetic progressions of 7 primes each with the common difference 210.at n=27A227282
• Emirps p such that p == 1 (mod s) and R(p) == 1 (mod s), where R(p) is the digit reversal of p and s the sum of digits of p.at n=32A356947
• Prime numbersat n=7458