144729585

Appears in sequences

• Triangle T(n,k) represents the coefficients of (x^17*d/dx)^n, where n=1,2,3,...at n=15A223519
• Denominators of coefficients of expansion of exp(-Sum_{k=0..oo} x^(2^k)/2^k ) in powers of x.at n=17A256402
• a(n) is the least integer that can be expressed as the difference of two n-gonal numbers in exactly n ways.at n=15A338105
• Numbers k such that k * gcd(sigma(k), A003961(k)) is equal to the odd part of {sigma(k) * gcd(k, A003961(k))}, where A003961 shifts the prime factorization one step towards larger primes, and sigma is the sum of divisors function.at n=21A349169