62209
domain: N
Appears in sequences
- Composite numbers whose prime factors contain no digits other than 7 and 8.at n=11A036323
- a(n) = 3*L(2*n)/5 - (-1)^n/5, where L = A000032.at n=12A099016
- Pierpont semiprimes: semiprimes of the form (2^K)*(3^L)+1.at n=39A113432
- a(n) = 48*n^2 + 1.at n=36A158638
- a(n) = 8*6^n+1.at n=5A199411
- a(n) = Sum_{i=1..n} ( Product_{k|i} d(k) ), where d(n) = A000005(n).at n=35A237349
- Numbers n such that n^2 = a^2 + b^5 (with integers a, b > 0) and gcd(a, b, n) = 1.at n=29A293284
- a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 0, a(1) = 1, a(2) = 0, a(3) = 2.at n=25A295681
- a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 1, a(1) = 2, a(2) = 2, a(3) = 1.at n=24A295687