25458

Appears in sequences

• a(n) = floor(tau*a(n-1)) + a(n-2) with a(0)=0 and a(1)=1.at n=16A005821
• Consider the family of directed multigraphs enriched by the species of derangements. Sequence gives number of those multigraphs with n labeled arcs.at n=7A098627
• An eighth of the product of three integers surrounding the (n+1)-st prime, minus half of the product of the 3 numbers surrounding n+1.at n=16A141535
• a(n) = 81*n^2 - 44*n + 6.at n=18A156676
• Number of partitions of n having population standard deviation >= 1.at n=37A238620
• Number of compositions of n where the (possibly scattered) maximal subsequence of part i with multiplicity j is marked with a word of length i*j over an n-ary alphabet whose letters appear in alphabetical order and all n letters occur exactly once in the composition.at n=8A261774
• Expansion of Product_{k>=1} 1/(1 - x^(2*k-1))^(k*(3*k+1)/2).at n=15A294668
• Smallest positive integer k such that 2^k has no '2' in the last n digits of its ternary expansion.at n=21A351928
• Smallest positive integer k such that 2^k has no '2' in the last n digits of its ternary expansion.at n=22A351928
• Smallest positive integer k such that 2^k has no '2' in the last n digits of its ternary expansion.at n=23A351928
• Smallest positive integer k such that 2^k has no '2' in the last n digits of its ternary expansion.at n=24A351928
• Smallest positive integer k such that 2^k has no '2' in the last n digits of its ternary expansion.at n=25A351928
• Smallest positive integer k such that 2^k has no '2' in the last n digits of its ternary expansion.at n=26A351928