7360989291

Appears in sequences

• a(n) = (n-1)*3^(n-2), n > 0.at n=19A027471
• 9th binomial transform of (1,1,0,0,0,0,0,...).at n=10A081109
• Number of 4-ary Lyndon words of length n with exactly three 1s.at n=16A124811
• Denominators of a ternary BBP-type formula for log(3).at n=18A154920
• a(n) = (2*n + 1)*9^n.at n=9A155988
• Denominators of ternary BBP-type series for log(5).at n=14A164985
• a(n) = (2*n-1)*(n-1)^(n-1).at n=10A176043
• a(n) = 19*3^n.at n=18A176413
• E.g.f.: Sum_{n>=1} x^(n^2) * exp(3*x^n) / n!.at n=18A265943
• Expansion of Sum_{n>=1} ( (3 + x^n)^n - 3^n ).at n=18A318638
• Absolute value squared of the maximal determinant of a matrix of order n with entries in the third roots of unity.at n=10A385034