40345

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 73.at n=32A020412
• Shifts left under transform T where Ta is a EXP-DCONV a.at n=10A038047
• Sums of nonconsecutive factorial numbers.at n=40A060112
• Largest GF2X-Matula number i which encodes a tree of n nodes, i.e., for which A091238(i) = n.at n=7A091240
• Semiprimes (A001358) that are sums of distinct factorials.at n=41A115646
• a(n) = 24*n^2 + 1.at n=41A158547
• Number of non-abelian groups of order prime(n)^6.at n=28A271811
• Expansion of Product_{k>=1} 1/(1 - x^k)^(k^2*(k+1)^2/4).at n=8A287090
• a(n) = Sum_{k=0..floor(n/4)} (n-4*k)!.at n=8A358499