67864

Appears in sequences

• Numbers whose set of base-12 digits is {3,4}.at n=31A032836
• Expansion of phi(q^4) / phi(q) in powers of q where phi() is a Ramanujan theta function.at n=26A112128
• Expansion of (phi(q^2) / phi(-q))^2 in powers of q where phi() is a Ramanujan theta function.at n=13A131126
• Number of ascents of length 1 in all dispersed Dyck paths of length n (i.e., in all Motzkin paths of length n with no (1,0) steps at positive heights). An ascent is a maximal sequence of consecutive (1,1)-steps.at n=17A191386
• Expansion of phi(q^4) / phi(-q) in powers of q where phi() is a Ramanujan theta function.at n=26A208933
• Expansion of q * phi(q) * psi(q^8) / (phi(-q) * phi(q^4)) in powers of q where phi(), psi() are Ramanujan theta functions.at n=25A215348
• Number of binary words of length n with exactly 7 (possibly overlapping) occurrences of the subword given by the binary expansion of n.at n=28A236236
• a(n) = Sum_{i=1..floor((n-1)/2)} i * (n-i)^2.at n=32A308038
• a(n) = 2^(n - 1) + binomial(n, floor(n/2))*(n + 1)/2.at n=15A323988