168120

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 41.at n=9A031719
• Sum of all parts of all partitions of n.at n=30A066186
• Numbers n such that n and n^4 are sums of two twin primes.at n=24A212430
• Numerator of the mean of all parts of all partitions of n.at n=29A236360
• Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=4A237773
• Number of (n+1)X(5+1) 0..2 arrays with the maximum plus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=1A237776
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=16A237779
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=19A237779
• Numbers k such that k +- 2 and k +- 3 are all semiprimes.at n=36A382049