731794257

Appears in sequences

• a(n) = (n-1)*3^(n-2), n > 0.at n=17A027471
• Expansion of (-1+1/(1-3*x)^3)/(9*x).at n=15A036068
• Ninth column of triangle A067402.at n=5A067409
• Denominators of a ternary BBP-type formula for log(3).at n=16A154920
• a(n) = (2*n + 1)*9^n.at n=8A155988
• Denominators of ternary BBP-type series for log(5).at n=12A164985
• a(n) = 17*3^n.at n=16A258598
• E.g.f.: Sum_{n>=1} x^(n^2) * exp(3*x^n) / n!.at n=16A265943
• Expansion of Sum_{n>=1} ( (3 + x^n)^n - 3^n ).at n=16A318638