43090

Appears in sequences

• a(n) = Sum_{k=1..n} k*(prime(k) - k).at n=29A110477
• Arises in patience sorting and its generalizations.at n=11A129698
• Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 3 or 7 king-move adjacent elements, with upper left element zero.at n=9A304771
• Number of strictly totally positive 3 X 3 matrices having all terms in {1,...,n}.at n=5A373723