27438

Appears in sequences

• a(0) = 1, a(n) = 19*n^2 + 2 for n>0.at n=38A010009
• Aliquot sequence starting at 966.at n=12A014363
• Number of partitions of n with equal nonzero number of parts congruent to each of 3 and 4 (mod 5).at n=50A035571
• Numbers k such that k * Fibonacci(k) - 1 is prime.at n=20A134580
• The Wiener index of the Dutch windmill graph D(5,n) (n>=1).at n=33A180579
• Lexicographically earliest unbounded aliquot-like sequence based on the Dedekind psi function: a(1) = 318, a(n) = t(a(n-1)) where t(k) = A001615(k) - k.at n=16A323328