23798

Appears in sequences

• Self-convolution of Lucas numbers.at n=15A099924
• Sequence with Hankel transform equal to 3^floor(n^2/3).at n=8A168494
• Number of nX3 0..1 arrays with exactly floor(nX3/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.at n=8A222285
• T(n,k)=Number of nXk 0..1 arrays with exactly floor(nXk/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.at n=57A222290
• Number of partitions of n into 9 parts such that every i-th smallest part (counted with multiplicity) is different from i.at n=20A244245
• T(n,k)=Number of nXk 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.at n=58A281715
• Number of 4Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.at n=7A281718
• a(n) is the number of perfect powers m^k with k>=3 (A076467) <= 10^n.at n=13A377934