27278

Appears in sequences

• Number of partitions of n with equal number of parts congruent to each of 0 and 2 (mod 3).at n=51A035535
• a(n)=Sum{T(n,j): j=1,2,...,n}, array T given by A048212.at n=32A048222
• a(n) = A077700(n+1)/A077700(n).at n=17A077701
• In lunar arithmetic in base 3, this is the number of lunar divisors of the number 111...1 (with n 1's).at n=10A186523
• Partitions with subdiagonal growth: number of partitions (p0, p1, p2, ...) of n with pi - p0 <= i.at n=42A238876
• Sum of the two smallest parts from the partitions of 4n into 4 parts with smallest part = 1.at n=34A239059