123098

Appears in sequences

• Triangular matrix T that satisfies: T^3 - T^2 + I = SHIFT_LEFT(T), as read by rows.at n=46A185620
• Column 1 of triangular matrix T = A185620, which satisfies: T^3 - T^2 + I = SHIFT_LEFT(T).at n=8A185621
• Least number m such that phi(m-6n) = phi(m) = phi(m+6n) and m is not divisible by n.at n=19A217068
• Irregular triangular array T; row n shows the coefficients of the (n-1)-st polynomial in the obverse convolution s(x)**t(x), where s(x) = 2^n x and t(x) = x+1. See Comments.at n=30A375044