23958
domain: N
Appears in sequences
- Numbers k such that k and 4*k are anagrams.at n=18A023088
- Number of one-element transitions from the partitions of n to the partitions of n+1 for labeled parts.at n=26A093694
- Number of partitions of n such that the largest part and the smallest part are relatively prime.at n=37A117087
- Floor(1/{(6+n^4)^(1/4)}), where {}=fractional part.at n=32A184630
- a(n) = 22*n^2.at n=33A195323
- Number of (w,x,y) with all terms in {0,...,n} and 2*w >= |x+y-z|.at n=32A213397
- Sum of the partition parts of 3n into 3 parts.at n=21A235988
- a(n) = Sum_{d|n} max(d, n/d)^3.at n=21A297842
- a(1) = 0; for n > 1, a(n) = Product_{d|n, d>1, d<n} prime(1+A297167(d)).at n=65A324193
- For any number n with binary expansion Sum_{k = 1..m} 2^e_k (where 0 <= e_1 < ... < e_m), a(n) = Product_{k = 1..m} prime(1+e_k)^k (where prime(k) denotes the k-th prime number).at n=19A344530
- Numbers k that divide the k-th companion Pell number.at n=34A372899