79281

Appears in sequences

• Sum of the prime factors of k equals half the sum of the prime factors of k + 1.at n=25A074213
• Expansion of (1 - 4*x^2 - 8*x^3)/((1 + 2*x + 4*x^2)*(1 - x - 2*x - 4*x^2 - 4*x^3 + 16*x^4)).at n=9A129443
• Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 0100-1100-0111-0010 pattern in any orientation.at n=15A147047
• Number of dominating subsets of the graph G(n) obtained by joining each vertex of the path graph P_{n+1} on n+1 vertices with an additional vertex (the join of K_1 and P_{n+1}).at n=14A213663