49149
domain: N
Appears in sequences
- Decimal part of a(n)^(1/3) starts with reversal of its integer part: first term of runs.at n=34A034309
- Denominators of continued fraction convergents to sqrt(455).at n=5A041867
- New record highs reached in A060030.at n=28A060482
- G.f.: (x+2)*(x+1)/((x-1)*(x-2)) = Sum_{n>=0} a(n)*(x/2)^n.at n=14A068156
- Numbers k such that hcl(k,k) < hcl(k,k-1) where hcl(k,i) is the Huffman code length; see comments.at n=26A126269
- a(n) = a(n-1) + 2*a(n-2) - 2*a(n-3).at n=27A136252
- Numbers whose binary representation is a palindrome formed from the reflected decimal expansion of the concatenation of 1, 0 and infinite digits 1.at n=15A147758
- Number of reduced words of length n in Coxeter group on 3 generators S_i with relations (S_i)^2 = (S_i S_j)^15 = I.at n=15A167648
- Partial sums of A173862.at n=41A200672
- Numbers that are palindromic in base i-1.at n=18A342725
- a(2*k) = 3*2^k - 3, a(2*k+1) = 2^(k+2) - 3.at n=28A354788
- Indices k such that the determinant of the 3 X 3 Hankel matrix of consecutive primes starting at prime(k) is 0.at n=36A392523