40212

Appears in sequences

• a(n) = a(n-1) + a(n-2) + 1, with a(0) = 0 and a(1) = 8.at n=19A022313
• Number of shapes of left-leaning height-balanced AVL trees with n (inner) nodes.at n=35A296103
• Numerators of Harary index for the n-Mycielski graph.at n=8A296193
• Number of nX7 0..1 arrays with each 1 adjacent to 3 or 6 king-move neighboring 1s.at n=8A296312
• Numbers that are the sum of seven fourth powers in eight or more ways.at n=34A345574
• Numbers that are the sum of seven fourth powers in exactly eight ways.at n=24A345830