27640

Appears in sequences

• Number of basis partitions of n+81 with Durfee square size 9.at n=26A069252
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 0), (0, 1, 0), (1, -1, 0), (1, 0, -1)}.at n=11A148134
• Number of partitions p of n that include (min(p) + max(p))/2 as a part.at n=48A238480
• Absolute discriminants of complex quadratic fields with 3-class group of elementary abelian type (3,3) of rank 2.at n=30A242863
• Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and Hilbert 3-class field tower of exact length 3, except for the cases mentioned in the COMMENTS.at n=10A242878
• Number of (3+2) X (n+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0 3 5 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0 3 5 6 or 7.at n=15A252387
• Number of partitions of n with nine parts in which no part occurs more than twice.at n=39A320597
• Inverse binomial transform of the Apéry numbers (A005259).at n=4A322519
• a(n) = Sum_{i+j<=m+1} t_i * t_j, where t_1 < ... < t_m are the totatives of n.at n=47A341063
• Number of partitions of n into 10 or more distinct parts.at n=42A347577