53620

Appears in sequences

• Partial sums of A001935; at one time this was conjectured to agree with A007478.at n=42A014605
• n written in fractional base 7/5.at n=42A024642
• Binary encoding of quadratic residue set formed for n-th prime, coerced to "complementarily symmetric binary sequence" with A080261 if the prime is of the form 4k+1.at n=5A080117
• Number of compositions of n into Fibonacci number of parts.at n=18A103197
• Number of 4Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 1 0 vertically.at n=8A207886
• Number of n X 2 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 n X 2 array.at n=35A219211
• Triangle T(n,k) read by rows: coefficients of polynomials P_n(t) defined in Formula section.at n=23A286796
• a(n) = Sum_{i=1..n} prime(n*(i - 1) + i).at n=24A319012
• Numbers k such that 1 + Sum_{i=1..k} floor(k/i)*(2^i) is a prime number.at n=25A344783