64785
domain: N
Appears in sequences
- Number of protruded partitions of n with largest part at most 4.at n=18A005405
- Lucky numbers with smallest increasing gaps (upper terms).at n=30A031885
- Values of n such that n^6 + 29450922301244534 is prime.at n=1A119276
- a(n) = lcm(n!,n!')/gcd(n!,n!'), where n!' is the arithmetic derivative of n! (A068311).at n=9A189100
- Numbers k such that sigma(k + sigma(k)) = sigma((k+1) + sigma(k+1)).at n=11A246915
- Inverse of A304085.at n=40A304086
- Tetraprimes (or products of exactly four distinct prime numbers) that are the sum of two successive tetraprimes.at n=33A380348