34249

Appears in sequences

• Numbers k such that 65*2^k+1 is prime.at n=41A032382
• Thickened pyramidal numbers: a(n) = 2*(n+1)*n + Sum_{i=1..n} (4*i*(i-1) + 1).at n=29A050533
• Total sum of nonprime parts in all partitions of n.at n=26A194545
• Semiprimes p such that next semiprime after p is p+20.at n=10A217335
• a(n) is the smallest number which can be represented as the sum of n distinct nonzero n-gonal pyramidal numbers in exactly n ways, or -1 if no such number exists.at n=9A350397
• Numbers k such that primorial base expansion of A276086(k) has the primorial base expansion of A003415(k) as its suffix, where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function.at n=22A383933