49488

Appears in sequences

• Number of 3 X 3 matrices with elements from [0,...,(n-1)] satisfying the condition that the middle element of each row or column is the difference of the two end elements (in absolute value).at n=17A058333
• Starts for strings of at least five consecutive nonsquarefree numbers.at n=33A078144
• Structured pentakis dodecahedral numbers (vertex structure 6).at n=17A100173
• Row sums of the Riordan array (1/(1+x),x(1+2x)/(1+x)^3)^(-1).at n=12A138175
• G.f.: Sum_{n>=0} A005649(n)^2 * log(1+x)^n/n! where 1/(1-x)^2 = Sum_{n>=0} A005649(n)*log(1+x)^n/n!.at n=5A167139
• Number of strict (distinct parts) plane partitions of n with relatively prime parts.at n=40A323587