28897

Appears in sequences

• a(n) = number of (s(0), s(1), ..., s(n)) such that s(i) is an integer, s(0) = 0, |s(1)| = 1, |s(i) - s(i-1)| <= 1 for i >= 2, s(n) = 3. Also a(n) = T(n,n-3), where T is the array defined in A025177.at n=9A025181
• Expansion of g.f. x*(1 - x)*(1 + x)/(1 - x - 11*x^2 - x^3 + x^4).at n=9A171068
• Centered 32-gonal numbers.at n=42A195315
• Heinz numbers of integer partitions into relatively prime parts whose reciprocal sum is the reciprocal of an integer.at n=15A316901
• Products of three distinct strong primes.at n=26A363782