26327

Appears in sequences

• Numerators of continued fraction convergents to sqrt(338).at n=7A041638
• Bisection (even part) of Chebyshev sequence with Diophantine property.at n=5A077240
• Combined Diophantine Chebyshev sequences A077240 and A077239.at n=10A077242
• Triangle T, read by rows, where column k equals the eigensequence of matrix power T^k.at n=69A125653
• Column 3 of triangle A125653; also equals the eigensequence of the matrix cube of A125653.at n=8A125656
• a(n) = ((5 + 2*sqrt(2))*(1 + sqrt(2))^n + (5 - 2*sqrt(2))*(1 - sqrt(2))^n)/2.at n=10A163607
• 1-sequence of reduction of (n^3) by x^2 -> x+1.at n=8A192257
• Numbers k such that (13*10^k + 107)/3 is prime.at n=19A294908
• Number of pairs of partitions (A<=B, that is, A is a refinement of B) of [n] such that A is noncrossing and its nontrivial blocks are of type {a,b} with a <= n and b > n.at n=8A358397