48439

Appears in sequences

• Number of Twopins positions.at n=18A005682
• Divide odd numbers into groups with prime(n) elements and add together.at n=16A034960
• a(n) is the starting position of the first occurrence of a string of at least n consecutive digits '6' in the decimal expansion of Pi.at n=4A050285
• Starting positions of strings of four 6's in the decimal expansion of Pi.at n=4A083626
• Starting positions of strings of five 6's in the decimal expansion of Pi.at n=0A083627
• a(n) is the starting position of the first occurrence of a string of exactly n 6's in the decimal expansion of Pi.at n=4A096760
• Number of (n+2) X 8 binary arrays with every 3 X 3 subblock commuting with each horizontal and vertical neighbor 3 X 3 subblock.at n=18A190030
• a(n) = Sum_{d|n} (tau(d)*pod(d)) where tau(k) = the number of divisors of k (A000005) and pod(k) = the product of the divisors of k (A007955).at n=19A307100
• 9-gonal numbers that are semiprimes.at n=14A356424
• Number of integer partitions of n whose semi-sums do not cover an interval of positive integers.at n=42A367403