229845

Appears in sequences

• Second partial sums of fifth powers (A000584).at n=8A101092
• Least k such that k-2^r is prime for n values of r. Index of the first occurrence of n in A109925.at n=13A109926
• Number of base 23 n-digit numbers with adjacent digits differing by five or less.at n=5A126544
• Numbers n such that sigma(phi(n)) = sigma(n) - phi(n).at n=9A230371
• a(n) = 1*9^n + 2*8^n + 3*7^n + 4*6^n + 5*5^n + 6*4^n + 7*3^n + 8*2^n + 9*1^n.at n=5A254147