27665

Appears in sequences

• Number of decimal digits in B(10^n) where B(k) is the k-th Bell number.at n=4A113015
• Numbers k such that k and k^2 use only the digits 2, 3, 5, 6 and 7.at n=22A137080
• Alternating partial sums of the Floor-Sqrt transform of Catalan numbers.at n=19A192654
• Number of -n..n arrays x(0..3) of 4 elements with zero sum, and adjacent elements not both strictly positive and not both strictly negative.at n=25A199899
• Principal diagonal of the convolution array A213778.at n=42A213779
• Numbers n such that the decimal expansions of both n and n^2 have 2 as smallest digit and 7 as largest digit.at n=17A257123
• a(n) is the smallest number which can be represented as the sum of n distinct nonzero squares in exactly n ways, or 0 if no such number exists.at n=41A350241