27372

Appears in sequences

• Convolution of (1, p(1), p(2), ...) and composite numbers.at n=30A023627
• Palindromic even lucky numbers.at n=39A045960
• Palindromes of length greater than 1 in decimal expansion of Pi (not showing leading 0's).at n=53A068046
• Palindromic integers > 0, whose 'Reverse and Add!' trajectory (presumably) does not lead to another palindrome.at n=14A070001
• Starting position of the first occurrence of a string of 2^n in the decimal expansion of Pi.at n=12A194351
• Number of (n+2) X (2+2) 0..1 arrays with every 2 X 2 and 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally and vertically.at n=19A253504
• a(n) = Sum_{d|n} d^omega(d).at n=29A344458
• a(n) = Sum_{d|n} d^Omega(d).at n=29A344459