590489

Properties

Appears in sequences

• Number of linearly ordered Abelian monoids of size n (semigroups with greatest element of the corresponding chain as neutral element); triangular norms on an n-chain.at n=10A030453
• Number of 5-ary rooted trees with n nodes and height exactly 6.at n=19A036637
• a(n) = n*3^n - 1.at n=9A060352
• Primes of the form k*3^k - 1.at n=3A060353
• Start with 1 and 5, then repeatedly adjoin the smallest number that is greater than the last term and not equal to the sum of a subset of the existing terms.at n=23A188793
• a(n) = 10*3^n - 1.at n=10A198645
• a(n) = 10*9^n-1.at n=5A198967
• Generalized Woodall primes: any primes that can be written in the form n*b^n - 1 with n+2 > b > 2.at n=5A210340
• Consider sets of 3 consecutive primes a, b, c such that c - a = 100, then sequence gives the values of b.at n=4A217603
• Primes of the form 3^k + 3^m - 1, where k and m are positive integers.at n=29A234346
• Primes of the form m = 3^i + 3^j - 1, where i > j >= 0.at n=25A239713
• Primes of the form m = 9^i + 9^j - 1, where i > j >= 0.at n=6A239719
• Primes P where the nearest prime is greater than 3*log(P) away.at n=31A330427
• Least number k such that half of the numbers from 0 to k inclusive contain the digit n.at n=5A344474
• Primes that are perimeter^2 + hypotenuse^2 of a Pythagorean triple.at n=16A391598
• Prime numbersat n=48388