2099601

Appears in sequences

• 10000-gonal numbers: a(n) = n + 4999 * n * (n-1).at n=21A167149
• Squares that are also pentagonal pyramidal numbers.at n=9A277792
• Number of minimal total dominating sets in the n-ladder graph.at n=21A303072
• a(n) is the least perfect power > 2^n.at n=21A357751
• a(n) is the least square with n binary digits.at n=19A357753
• Detour index of the n X n black bishop graph.at n=17A387645
• a(n) = (8*n + 1)^2*(4*n + 1).at n=20A387684
• Odd squares k, multiples of 3 and non-multiples of 5, such that sigma(k)/k >= 5/3.at n=31A388016