32728

Appears in sequences

• Number of nonisomorphic 2-graphs with n nodes with first and second cohomology invariants both 0.at n=9A006627
• Coefficients of J(0)*theta_3(z) where J(0) is sequence A056945.at n=7A056946
• Irregular array where the n-th row are the divisors, not occurring earlier in the sequence, of the sum of the terms in all previous rows. a(1)=3.at n=39A120577
• Number of 1..32 integer arrays v[1..n] of length n with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1.at n=2A171306
• Number of 1..n integer arrays v[1..3] of length 3 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..2.at n=31A171340
• a(n) = 8^n - 8n.at n=5A198398
• a(0) = 4; for n>0, a(n) = a(n-1) + 2^n - 3.at n=14A249453
• Coefficients of mock modular form H_2^(4) (divided by 2).at n=15A256052
• Triangle T(n,k) read by rows: coefficients of polynomials P_n(t) defined in Formula section.at n=24A278457
• Number of maximal irredundant sets in the n-wheel graph.at n=26A291063
• a(n) is the smallest k such that tau(k*2^n + 1) is equal to 2^n where tau = A000005.at n=7A380084