22246
domain: N
Appears in sequences
- Numbers that are the sum of 9 positive 9th powers.at n=15A003398
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite RUT = RUB-10 R4[B4Si32O72] starting from a T5 atom.at n=13A019230
- Row sums of triangle A092689, which is related to the central trinomial coefficients (A002426).at n=9A092690
- a(n) is the number of integers x that can be written x = (2^c(1) - 2^c(2) - 3*2^c(3) - 3^2*2^c(4) - ... - 3^(m-2)*2^c(m) - 3^(m-1)) / 3^m for integers c(1), c(2), ..., c(m) such that n = c(1) > c(2) > ... > c(m) > 0 and c(1) - c(2) != 2 if m >= 2.at n=40A131450
- Number of binary strings of length n with no substrings equal to 0001 0011 or 0111.at n=17A164455
- Numbers with at least three digits and with the property that the sum of the cubes of the first and last digit equals the number obtained when the first and last digits are deleted.at n=40A275343
- a(n) = floor(c*s*a(n-1)) + floor(d*r*a(n-2)), where r = (1+sqrt(5))/2, s = r/(r-1), c = 1, d = 1, a(0) = 1, a(1) = 1.at n=10A275856
- Starting numbers that require more iterations of the map x->A359194(x) (binary complement of 3n) to reach 0 than any smaller number.at n=24A359219
- Starting numbers which reach a new record high value when iterating the map x->A359194(x) (binary complement of 3n).at n=8A359221
- a(n) = ((p-1)^n + (p+1)^n) mod p^2, where p is the n-th prime.at n=48A379544