41223

Appears in sequences

• a(n) = floor( n*(n-1)*(n-2)*(n-3)/27 ).at n=34A011937
• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 29.at n=6A031707
• Where A093316 first equals n.at n=29A093319
• Square array of numbers A(n,k) (n>=0, k>=0) of transitive reflexive early confluent binary relations R on n labeled elements where |{y : xRy}| <= k for all x, read by antidiagonals.at n=71A135302
• a(n) = 841*n^2 + 2*n.at n=6A158403
• Number of transitive reflexive early confluent binary relations R on n labeled elements where |{y : xRy}| <= 5 for all x.at n=6A210913