46250

Appears in sequences

• Numbers that are the sum of 2 nonzero squares in exactly 5 ways.at n=17A025288
• Numbers that are the sum of 2 distinct nonzero squares in exactly 5 ways.at n=13A025306
• Sequence arising in search for Legendre sequences.at n=16A039792
• T(n,k)=Number of nXk 0..2 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.at n=47A222573
• Number of 3Xn 0..2 arrays with no more than floor(3Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.at n=7A222575
• The Wiener index of the dendrimer D_2[n], defined pictorially in the A. R. Ashrafi et al. reference.at n=2A224431
• Numbers that are the sum of 2 squares in exactly 5 ways.at n=25A294716
• "Erase or triple": list of the successive integers that produce the next "altitude" record (see the comments section).at n=15A300150
• Triangle read by rows: T(n,k) is the number of permutations of k elements from [1..n] without consecutive adjacent values.at n=61A338526
• Numbers k such that both k and k+1 are not exponentially squarefree numbers.at n=34A342188
• a(0) = a(1) = 1; a(n) = 5 * Sum_{k=0..n-2} a(k) * a(n-k-2).at n=9A354736
• G.f.: Sum_{k>=0} x^(k*(k+1)/2) / Product_{j=1..k} (1 - x^(2*j-1))^2.at n=46A376624