53252

Appears in sequences

• a(n) = round(e^(Pi*sqrt(n))).at n=12A056580
• a(n) = floor(exp(Pi*sqrt(n))).at n=12A060456
• Number of strictly increasing arrangements of n nonzero numbers in -(n-1)..(n-1) with sum zero.at n=12A188114
• Number of strictly increasing arrangements of n nonzero numbers in -(n+1)..(n+1) with sum zero.at n=10A188116