124177

Appears in sequences

• Least number that ends an arithmetic progression of n numbers with the same prime signature.at n=20A087309
• Least number that ends an arithmetic progression of n numbers with the same number of divisors.at n=20A090548
• Smallest semiprime (A001358) which is at the end of an arithmetic progression of n semiprimes.at n=20A096003
• Semiprimes p such that next semiprime after p is p+20.at n=35A217335
• Number of partitions of n into distinct parts with boundary size 10.at n=45A227567
• a(n) = F(n+1)^4 - 4*F(n-1)*F(n)^3, where F(n) = A000045(n), the n-th Fibonacci number.at n=7A318404
• Rectangular array R read by antidiagonals: R(n,k) = F(n+1)^k - k*F(n-1)*F(n)^(k-1), where F(n) = A000045(n), the n-th Fibonacci number; n >= 0, k >= 1.at n=62A318405