55546

Appears in sequences

• a(n) = a(n-1)+a(m), where m=2n-2-2^(p+1) and 2^p<n-1<=2^(p+1), for n >= 4.at n=32A050071
• Numbers n such that { x +- 2^k : 0 < k < 4 } are primes, where x = 210*n - 105.at n=19A061671
• Number of digits in quotient {R_(n*R_n)}/(R_n)^2, where R_n=A002275(n),n*R_n=A053422(n).at n=4A121324
• Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 1,4,3,2,0 for x=0,1,2,3,4.at n=6A196925
• Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,4,3,2,0 for x=0,1,2,3,4.at n=6A196928