25518

Appears in sequences

• a(n) = T(4n,n), where T is the array defined in A024996.at n=5A026075
• T(2n,n-2), T given by A026568.at n=7A026576
• a(n) = T(2*n, n-2), where T is given by A026584.at n=7A026592
• Number of n X n symmetric binary matrices with no row sum greater than 2.at n=6A139678
• Number of permutations of floor(i*9/8), i=0..n-1, with all sums of two and three adjacent terms respectively unique.at n=8A147899
• Number of length 3 1..(n+2) arrays with no leading partial sum equal to a prime and no consecutive values equal.at n=38A255718
• Array read by antidiagonals: T(n,k) is the number of n X n symmetric binary matrices with no row sum greater than k.at n=42A334548
• Numbers k such that k^5*2^k + 1 is a prime.at n=10A367421
• Number of graphs of order n with exactly one Hamiltonian cycle of girth at least 4.at n=9A374312