41748

Appears in sequences

• Numbers k such that k | sigma_7(k) - phi(k)^7.at n=24A055701
• Smallest a(n) > a(n-1) such that a(n)^2+a(n-1)^2 is a perfect square, with a(1)=5.at n=30A076671
• Smallest a(n)>a(n-1) such that a(n)^2+a(n-1)^2 is a perfect square, a(1)=9.at n=30A076674
• Number of 3X3 0..n arrays with the array of 2X2 subblock determinants antisymmetric and no off-diagonal 2X2 subblock determinant zero.at n=8A187522
• Number of nondecreasing arrangements of n numbers in -(2n-2)..(2n-2) with sum zero and not more than two numbers equal.at n=6A188227
• Number of nondecreasing arrangements of n numbers in -(n+5)..(n+5) with sum zero and not more than two numbers equal.at n=6A188234
• Number of nondecreasing arrangements of 7 numbers in -(n+5)..(n+5) with sum zero and not more than two numbers equal.at n=6A188240
• Number of (n+1) X (7+1) 0..2 arrays colored with the upper median value of each 2 X 2 subblock.at n=8A235953
• Number of pairs (p,q) of partitions such that q is a partition of n and p <= q (diagram containment).at n=17A297388
• E.g.f.: Product_{k>=1} 1 / (1 - x^k)^tan(x).at n=7A347774
• Number of unlabeled loop-graphs with n vertices and at most n edges.at n=10A370168