32514
domain: N
Appears in sequences
- Indices of primes in sequence defined by A(0) = 29, A(n) = 10*A(n-1) - 11 for n > 0.at n=13A101968
- Numbers with 5 distinct digits {1,2,3,4,5} such that all adjacent digits (as well as first and last digits) are coprime.at n=28A104972
- Number of permutations of floor(i*7/6), i=0..n-1, with all sums of two and three adjacent terms respectively unique.at n=8A147896
- a(n) = (n^6 + 2n^5 + 2n^4 + n^3 + 2n)/2.at n=5A163279
- a(1)=1, a(2)=2, a(n)=a(n-1)+floor(a(n-2)*a(n-1)/(a(n-2)+a(n-1))).at n=31A173090
- L.g.f.: Sum_{n>=1} (Sum_{d|n} d*x^d)^n/n = Sum_{n>=1} a(n)*x^n/n.at n=12A192859
- Number of bitstrings of length n which (if having two or more runs) the last two runs have different lengths.at n=14A208900
- Number of partitions p of n such that median(p) >= multiplicity(min(p)).at n=44A240216
- Numbers k such that A019320(k) is in A217468.at n=40A297412
- Numbers k such that 2^m == 2 (mod m*(m-1)), where m=A019320(k).at n=51A297413
- Decimal representation of permutations of lengths 1, 2, 3, ...at n=37A306428