101467

Properties

Appears in sequences

• Multiplicity of highest weight (or singular) vectors associated with character chi_69 of Monster module.at n=50A034457
• Let a(1) = 1, a(2) = 2, a(3) = 7, a(4) = 15 and for n >= 5 set a(n) = (n*b(n) - b(n-2)) / 2, where b(n) = 4*b(n-2) - b(n-4) for n >= 5 and b(1) = 1, b(2) = 2, b(3) = 5, b(4) = 8.at n=14A093652
• Primes n that are concatenation of two 3-digit primes p<q.at n=12A168529
• Primes that are the concatenation of two 3-digit primes.at n=12A255976
• Expansion of e.g.f. Product_{k>=1} 1/(1 - (exp(x) - 1)^k)^k.at n=6A306046
• 1/a(n) is the current through the resistor at the central rung of an electrical ladder network made of 6*n+1 one-ohm resistors, fed by 1 volt at diametrically opposite ends of the ladder.at n=7A342568
• Increasing sequence of primes p == 3 (mod 4) such that all of 2,3,5,...,prime(n) are primitive roots mod p.at n=5A350121
• Triangle read by rows: T(n,k) is the number of digraphs on n unlabeled nodes with k strongly connected components and without isolated nodes.at n=24A361588
• Prime numbersat n=9716