727650

Appears in sequences

• Triangle arising from solution to a*x = tan x (next row contains non-integral entries).at n=19A059368
• Prime factorization representation of Stern polynomials: a(0) = 1, a(1) = 2, a(2n) = A003961(a(n)), a(2n+1) = a(n)*a(n+1).at n=47A260443
• Even terms in A260442 (in A260443).at n=21A277200
• Prime-factorization representation of the prime-th Stern-polynomial: a(n) = A260443(A000040(n)).at n=14A277316
• Numbers k such that A277333(k) is a prime.at n=12A277317
• Prime-factorization representation of irreducible (non-constant) Stern-polynomials B(n,x), listed in the order of increasing index n: a(n) = A260443(A186891(n+1)).at n=15A277318
• Odd bisection of A260443 (the even terms): a(n) = A260443((2*n)+1).at n=23A277324
• a(n) = Product_{d|n, d>1} A000040(A297113(d)), where A000040(n) gives the n-th prime, and A297113(n) = the excess of n plus the index of the largest dividing prime (A046660 + A061395).at n=47A332461
• Integers y such that there exist two integers 0<x<=y<=z such that psi(x) = psi(y) = psi(z) = x + y + z.at n=23A386901
• Prime-factorization representation of irreducible (non-constant) Stern-polynomials B(m,x), listed in ascending order.at n=14A389912