20234

Appears in sequences

• Number of partitions of n with equal number of parts congruent to each of 1 and 2 (mod 3).at n=45A035536
• Number of partitions of 3n with same number of parts == 1 (mod 3) and == 2 (mod 3).at n=15A035592
• Numbers n such that 4*10^n + R_n + 8 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=7A102983
• Limiting values of A136406: a(n) = A136406(m,m-n) for any m >= 2n.at n=28A137504
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 814", based on the 5-celled von Neumann neighborhood.at n=37A273644
• a(n) = number of partitions p of n such that the greatest multiplicity of the parts of p is a part of p.at n=42A365613
• Number of incomplete integer partitions of n, meaning not every number from 0 to n is the sum of some submultiset.at n=44A365924
• Expansion of 1/sqrt((1 - x^2 - x^5)^2 - 4*x^7).at n=30A376783
• E.g.f. satisfies A(x) = 1 - log(1 - x*A(x)^3)/A(x).at n=5A377323