97734

Appears in sequences

• Number of regions in regular n-gon with all diagonals drawn.at n=41A007678
• Numbers n such that n is a substring of its square in base 7 (written in base 10).at n=17A018831
• Binomial convolution of the binomial coefficients bin(3n,n) (A005809) and bin(3n,n)/(2n+1) (A001764).at n=6A188913