48416

Appears in sequences

• Number of compositions of n with either all parts odd or all parts even.at n=23A097896
• Structured heptagonal anti-diamond numbers (vertex structure 7).at n=23A100186
• Expansion of (1-x+3*x^2+x^3) / ((1-x-x^2)*(1+2*x^2)).at n=23A116698
• a(n) = number of subsets S of {1,2,...,n} having more than 2 elements such that (sum of least three elements of S) < max(S).at n=16A357285
• Determinant of the pentadiagonal symmetric nXn Toeplitz Matrix with a=3, b=c=1.at n=12A360263