150161

Appears in sequences

• 5th powers written backwards.at n=11A002118
• a(n) = digit reversal of (11^n) divided by 11.at n=5A088113
• 27-gonal pyramidal numbers: a(n) = n*(n+1)*(25*n-22)/6.at n=33A256647
• a(n) = n-th pi-based antiderivative of 8.at n=22A259169
• Numbers for which the harmonic mean of the nontrivial unitary divisors is an integer.at n=16A335269
• Triangle read by rows: T(n,k) is the number of embeddings on the sphere of planar graphs with n vertices and k faces having connectivity exactly 2 and minimum vertex degree at least 3, k=6..2n-5.at n=54A378077