144305

Appears in sequences

• 4-dimensional analog of centered polygonal numbers.at n=31A006325
• Numerator of Product_{k=0..n} ((2*k+1)/(2*k+2))^((-1)^t(k)) where t(k)=A010060(k) (Thue-Morse sequence).at n=15A094541
• Numerator of Product_{k=0..n} ((2*k+1)/(2*k+2))^((-1)^t(k)) where t(k)=A010060(k) (Thue-Morse sequence).at n=16A094541
• Number of (n+2) X 5 0..1 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly three ways, and new values 0..1 introduced in row major order.at n=20A204376
• Numerators of the sequence 1, 1/2, (1/2)/(3/4), ((1/2)/(3/4))/((5/6)/(7/8)), ... .at n=5A290637