20962

Appears in sequences

• Number of base-3 "Punctual Birds" with n base-3 digits.at n=11A132135
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (-1, 0, 1), (0, 1, 0), (1, -1, 0), (1, 1, -1)}.at n=10A148305
• a(n) = 529*n^2 - 746*n + 263.at n=6A156842
• Number of partitions p of n such that floor(mean(p)) is a part and ceiling(mean(p)) is not.at n=45A241342
• Prime sieve of Pi.at n=47A245770
• Expansion of Product_{k>=0} (1+x^(3*k+1))^4.at n=42A261637
• Numbers that are the sum of eight fourth powers in exactly eight ways.at n=29A345840
• Numbers whose second arithmetic derivative (A068346) is a primorial number (A002110) > 1.at n=30A368702
• Number of non Wilf and non conjugate Wilf integer partitions of n.at n=38A383530