19052

Appears in sequences

• sec(sech(x)*log(x+1))=1+1/2!*x^2-3/3!*x^3+4/4!*x^4-40/5!*x^5...at n=8A012876
• Initial pile sizes which guarantee a win for player 2 in a certain variant of Nim.at n=43A016741
• Numbers n such that n through n+5 have the same number of distinct prime factors.at n=20A045934
• Numbers n such that n through n+6 are divisible by the same number of distinct primes.at n=8A045935
• Expansion of 1/(1 - x^5 - x^6 - x^7 - x^8 + x^13).at n=56A173924
• Vinogradov's constants arising in enumeration of solutions to Waring's problem in the evil numbers (A001969).at n=30A206375
• Number of 2 X 2 matrices having all terms in {-n,...,0,...,n} and determinant > n.at n=6A211150
• Dimensions of algebraic generators of Hopf algebra UBP*.at n=6A230889
• Numbers that are the sum of 10 consecutive primes and also the sum of 10 consecutive semiprimes.at n=3A284102