262144
domain: N
Appears in sequences
- Number of trees on n labeled nodes: n^(n-2) with a(0)=1.at n=8A000272
- Powers of 4: a(n) = 4^n.at n=9A000302
- a(n) = 4*a(n-1) - 6*a(n-2) + 4*a(n-3), n > 3, with a(0)=a(1)=a(2)=0, a(3)=1.at n=20A000749
- Sixth powers: a(n) = n^6.at n=8A001014
- Ninth powers: a(n) = n^9.at n=4A001017
- Powers of 8: a(n) = 8^n.at n=6A001018
- Successive numerators of Wallis's approximation to Pi/2 (reduced).at n=11A001901
- a(n) = n*2^(2*n-1).at n=8A002699
- Numbers that are the sum of 4 nonzero 8th powers.at n=34A003382
- Numerator of n!!/(n+1)!! (cf. A006882).at n=20A004730
- a(0) = 1; thereafter a(n) = denominator of (n-2)!! / (n-1)!!.at n=21A004731
- Numerator of n!!/(n+3)!!.at n=20A004732
- Denominator of n!!/(n+3)!!.at n=17A004733
- Numerator of average distance traveled by n-dimensional fly.at n=17A004734
- Denominator of average distance traveled by n-dimensional fly.at n=20A004735
- Numbers that are the sum of at most 2 nonzero 6th powers.at n=36A004853
- Numbers that are the sum of at most 2 positive 9th powers.at n=10A004886
- Numbers that are the sum of at most 3 positive 9th powers.at n=20A004887
- Numbers that are the sum of at most 4 positive 9th powers.at n=35A004888
- Smallest number with exactly n divisors.at n=18A005179