160044885

Appears in sequences

• Denominators of coefficients of expansion of arctan(x)^2 = x^2-2/3*x^4+23/45*x^6-44/105*x^8+563/1575*x^10-3254/10395*x^12+ ...at n=11A071968
• Numbers with exactly 7 distinct odd prime divisors {3,5,7,11,13,17,19}.at n=13A147580
• a(n) = A392686(n)/2.at n=5A390227