18140

Appears in sequences

• Trajectory of 3 under map n->17n+1 if n odd, n->n/2 if n even.at n=18A037106
• Expansion of (1-x)/(1-2*x-x^3+x^4).at n=14A052540
• Number of base 18 circular n-digit numbers with adjacent digits differing by 6 or less.at n=4A125406
• Expansion of psi(x^6) / psi(-x) in powers of x where psi() is a Ramanujan theta function.at n=46A132217
• Expansion of psi(x^6) / psi(x) in powers of x where psi() is a Ramanujan theta function.at n=46A262160
• Expansion of f(-x, -x^5) * f(x^3, x^5) / f(-x, -x^2)^2 in powers of x where f(, ) is Ramanujan's general theta function.at n=23A262987
• Number of nX(n+2) arrays of permutations of n+2 copies of 0..n-1 with every element equal to or 1 greater than any north, west or southwest neighbors modulo n and the upper left element equal to 0.at n=5A267341
• Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any north, west or southwest neighbors modulo 6 and the upper left element equal to 0.at n=7A267346
• Numbers k such that 10^k - 8001 is prime.at n=30A270448