51834

Appears in sequences

• Engel expansion of Sum_{k>=0} 1/(10 + k)^k.at n=17A063193
• Number of pentagonal regions in regular n-gon with all diagonals drawn.at n=48A067152
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (0, 0, -1), (0, 1, -1), (0, 1, 0), (1, 0, 0)}.at n=10A149833
• Expansion of Sum_{i>=0} x^(2^i) / (1 - Sum_{j>=0} x^(2^j))^2.at n=15A281811
• Number of parts in all partitions of n with largest multiplicity two.at n=41A320372
• Numbers k such that k + A067666(k) is a square.at n=43A386257