73717

Appears in sequences

• Triangular polyominoes (n-iamonds) without bilateral symmetry (holes are allowed).at n=14A030224
• a(n) = T(n,n), array T given by A047858.at n=12A036542
• Dying rabbits: a(n) = Fibonacci(n) for n <= 12; for n >= 13, a(n) = a(n-1) + a(n-2) - a(n-13).at n=25A107358