42619

Appears in sequences

• Number of partitions of n into parts of 17 kinds.at n=5A023015
• Numbers k such that 5*phi(k) = 4*sigma(k).at n=3A065822
• Numbers k such that 2^(2k-1) + 2^k + 1 is prime.at n=14A108062
• Number of distinct values of the sum of 4 products of three 0..n integers.at n=22A225261
• Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and Hilbert 3-class field tower of exact length 3, except for the cases mentioned in the COMMENTS.at n=18A242878
• Expansion of Product_{n>=1} (1 - x^(7*n))^16/(1 - x^n)^17 in powers of x.at n=5A282922
• Least number x such that x^n has n digits equal to k. Case k=4.at n=27A285451
• Values of n such that prime(n) does not divide any 10-digit pandigital number (i.e. any value in A050278).at n=30A292703