31300

Appears in sequences

• Powers of fifth root of 21 rounded down.at n=17A018174
• Powers of fifth root of 21 rounded to nearest integer.at n=17A018175
• Denominators of continued fraction convergents to sqrt(627).at n=3A042203
• a(n) = 4*n*(floor(n^2/2)+1). For n >= 3, this is the number of directed Hamiltonian paths on the n-prism graph.at n=25A124350
• Number of partitions p of n such that the number of distinct parts is a part or max(p) - min(p) is a part.at n=43A241391
• 8-step Fibonacci sequence starting with 0,0,0,0,1,0,0,0.at n=23A251741
• Number of nX6 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=3A281561
• T(n,k)=Number of nXk 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=39A281563
• Number of 4Xn 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=5A281566
• Numbers k such that Bernoulli number B_{k} has denominator 33330.at n=7A295589
• Rectangular array, by antidiagonals; row n consists of the numbers R(n)/n, where R(n) is row n of the array at A305995.at n=37A305996
• a(n) = (A084218(n) - 1)/12.at n=24A373040