43876

Appears in sequences

• Stella octangula numbers: a(n) = n*(2*n^2 - 1).at n=28A007588
• a(n) = T(n,n+3), array T as in A050143.at n=7A050152
• Admirable Harshad numbers n such that the subtracted divisor is equal to the digital sum of n.at n=20A111948
• Triangle T(n,k) = A176487(n,k)+A176488(n,k)-1 read by rows 0<=k<=n.at n=38A176489
• Triangle T(n,k) = A176487(n,k)+A176488(n,k)-1 read by rows 0<=k<=n.at n=42A176489
• Number of nX4 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.at n=4A278153
• Number of nX5 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.at n=3A278154
• T(n,k)=Number of nXk 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.at n=31A278157
• T(n,k)=Number of nXk 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.at n=32A278157
• Numbers that are the sum of seven fourth powers in nine or more ways.at n=14A345575
• Numbers that are the sum of seven fourth powers in exactly nine ways.at n=13A345831