41006

Appears in sequences

• a(1)=1, a(2)=2, a(n+2)=(a(n+1)+a(n))/2 if a(n+1)+a(n) is even, a(n+2)=(3*(a(n+1)+a(n))+1)/2 otherwise.at n=28A069162
• Deficient oblong numbers.at n=35A077804
• a(n) = 25*n^2 + 25*n + 6.at n=40A177059
• a(n) = (9*n+4)*(9*n+5).at n=22A177073
• Number of nX3 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.at n=3A223956
• T(n,k)=Number of nXk 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.at n=18A223961
• Number of 4Xn 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.at n=2A223964
• Oblong numbers which are products of four distinct primes.at n=36A358988