43131

Appears in sequences

• Structured great rhombicosidodecahedral numbers.at n=10A100145
• Shifts 9 places left under Euler transform with a(0)=0 and a(n)=1 for n<9.at n=39A218026
• Number of (n+1) X (4+1) arrays of permutations of 0..n*5+4 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.at n=5A264672
• T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.at n=41A264676
• Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.at n=3A264681
• a(n) = Sum_{k=1..n} sigma(n*k).at n=36A372710