26626

Appears in sequences

• Number of (unordered, unlabeled) rooted trimmed trees with n nodes.at n=15A002955
• a(0) = 1, a(n) = 26*n^2 + 2 for n>0.at n=32A010016
• Nearest integer to log(n^n)^(1 + log(log(1 + n))).at n=28A062480
• Number of winning paths of length n+1 across an n X n Hex board.at n=8A096367
• The hyper-Wiener index of a benzenoid consisting of a straight-line chain of n hexagons (s=2; see the Gutman et al. reference).at n=8A193390
• Unique integers appearing in A066135, in order of appearance.at n=19A218860
• Number of length 5+3 0..n arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth.at n=12A248542
• a(n) is the smallest b > 1 such that p = prime(n) satisfies b^(p-1) == 1 (mod p^3).at n=39A249275
• Numbers n with digits 2 and 6 only.at n=43A284632
• Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=6A316120
• Number of n X 7 0..1 arrays with every element unequal to 0, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=4A316122
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=59A316123
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=61A316123
• Expansion of e.g.f. exp(x * (2 + x) * exp(x)).at n=6A336961
• Expansion of g.f. A(x) satisfying 1/x = Sum_{n=-oo..+oo} x^n * (x^(2*n) - (-1)^n*A(x))^(n+1).at n=13A361779