104346

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 38.at n=16A031716
• a(n) = 289*n^2 + 17.at n=19A158585
• G.f. satisfies: A(x) = 1 + x*Sum_{n>=0} (A(x)^2 - 1)^n.at n=8A192945
• a(n) = 3*(n + 1)*(n + 2)*(3*n + 1)*(3*n + 4)/4.at n=10A268685
• Number of length-4 0..n arrays with no repeated value equal to the previous repeated value.at n=16A269468
• Number of n X 2 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.at n=12A278088
• a(n) = 2*n^3 - 4*n^2 + 10*n - 2 (n>=1).at n=37A304161
• a(n) = 1*2*3 + 4*5*6 + 7*8*9 + 10*11*12 + 13*14*15 + 16*17*18 + ... + (up to n).at n=32A319014
• a(n) = 3*2*1 + 6*5*4 + 9*8*7 + 12*11*10 + ... + (up to the n-th term).at n=32A319867
• a(n) is the number of 2-point antichains in the poset D_{2n+1} of type D, whose elements are compositions of 2n+1.at n=33A344791
• Numbers m such that 72*m + 1, 576*m + 1, 648*m + 1, 1296*m + 1, and 2592*m + 1 are all primes.at n=22A372187