62211
domain: N
Appears in sequences
- Numbers whose base-4 representation contains exactly four 0's and four 3's.at n=26A045085
- a(n) = 3abc, where (a,b,c) is a Markoff triple. The first Markoff triple considered is (1,2,5) and the ordering is increasing.at n=7A120339
- Numbers k such that 210*k+{11, 13, 17, 19, 23, 29} are 6 consecutive primes.at n=18A182282
- a(n) = Sum_{i=1..n} ( Product_{k|i} d(k) ), where d(n) = A000005(n).at n=36A237349
- Number of 3 X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 5 neighboring 1s.at n=10A297596
- Numbers that are the sum of six fourth powers in six or more ways.at n=34A345563
- Numbers that are the sum of six fourth powers in exactly six ways.at n=24A345818
- E.g.f. satisfies A(x) = exp( (exp(x) - 1) * A(x)^x ).at n=7A362799