20968

Appears in sequences

• Number of 6-ary rooted trees with n nodes and height exactly 7.at n=15A036645
• Length of period of continued fraction expansion of square root of 3^n+1.at n=19A062328
• Number of triangular partitions of n of order 3.at n=34A084439
• Number of binary strings of length n with no substrings equal to 0000 0111 or 1001.at n=17A164442
• The maximum possible number of rooted triples consistent with any galled-tree (level-1 phylogenetic network) containing exactly n leaves.at n=45A216499
• Expansion of Sum_{0<i<j<k<l} q^(2*(i+j+k+l)-4)/( (1-q^(2*i-1))*(1-q^(2*j-1))*(1-q^(2*k-1))*(1-q^(2*l-1)) )^2.at n=28A365666