34416

Appears in sequences

• Structured pentakis dodecahedral numbers (vertex structure 6).at n=15A100173
• Rectangular table, read by antidiagonals, defined by the following rule: start with all 1's in row zero; from then on, row n+1 equals the partial sums of row n excluding terms in columns k = m*(m+1)/2 - 2 (m>=2).at n=58A125781
• Column 3 of table A125781; also, equals column 1 of matrix power A091351^2.at n=7A125783
• Row sums of A163334 and A163336.at n=31A163342
• T(n,k) = Sum_{j=0..k} (k-j)^n * binomial(n,j).at n=32A215080
• Number of (n+1)X(1+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 21.at n=3A233869
• Number of (n+1)X(4+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 21.at n=0A233872
• T(n,k)=Number of (n+1)X(k+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 21.at n=6A233875
• T(n,k)=Number of (n+1)X(k+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 21.at n=9A233875
• a(n) is the number of 5 element sets of distinct integer-sided trapezoids whose base angles are 60 degrees that fill an equilateral triangular grid of side n units with a trapezoid filled by 3 trapezoids.at n=30A391204