50236
domain: N
Appears in sequences
- Number of parts if 4^n is partitioned into parts of size 3^n as far as possible into parts of size 2^n as far as possible and into parts of size 1^n.at n=15A064630
- a(n) = (sum of first n primes)^2 - sum of squares of first n primes.at n=12A065595
- a(0) = 2, a(1) = 2, and for n > 1, a(n) = a(n-1) + a((a(n-1) - 1) mod n).at n=39A145465
- Numbers n, not divisible by 3, 5, 7 or 11, such that A000203(n)-n-1 and 2*n+1-A000203(n) are prime numbers.at n=17A180268
- Number of sets of exactly n positive integers <= n+8 having a square element sum.at n=18A281971