69496

Appears in sequences

• Sum of numbers that can be written as t*n + u*(n+1) for nonnegative integers t,u in exactly one way.at n=15A076454
• Final terms of rows of A077529.at n=27A077530
• 6-almost primes with semiprime digits (digits 4, 6, 9 only).at n=19A111730
• Number of reduced words of length n in Coxeter group on 17 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.at n=4A163093
• Total area of the shadows of the three views of a three-dimensional version of the shell model of partitions with n shells.at n=28A210970
• Expansion of (1+4*x+x^2)/((1+x)^2*(1-x)^5).at n=30A233329