22925
domain: N
Appears in sequences
- When squared gives number composed of digits {2,5,6}.at n=12A030486
- Trajectory of 1 under map n->29n+1 if n odd, n->n/2 if n even.at n=9A033971
- a(n)^2 is the smallest square containing exactly n 5's.at n=5A048350
- Fractional part of e^a(n) is the largest yet.at n=9A091560
- Numbers k such that 3*10^k + 7*R_k - 6 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=10A102976
- Numbers k such that k and k^2 use only the digits 0, 2, 5, 6 and 9.at n=25A136914
- Numbers k such that k and k^2 use only the digits 1, 2, 5, 6 and 9.at n=26A137006
- Numbers k such that k and k^2 use only the digits 2, 3, 5, 6 and 9.at n=12A137082
- Numbers k such that k and k^2 use only the digits 2, 4, 5, 6 and 9.at n=11A137096
- Numbers k such that k and k^2 use only the digits 2, 5, 6, 7 and 9.at n=21A137112
- Numbers k such that k and k^2 use only the digits 2, 5, 6, 8 and 9.at n=5A137114
- Numbers k such that k and k^2 use only the digits 2, 5, 6 and 9.at n=2A137115
- a(n) = smallest number m such that decimal expansion of m^2 has exactly (n+1) digits n.at n=5A175635
- a(n) is the greatest integer k such that k/Fibonacci(n) < 4/5.at n=23A293671
- Seidel's triangle generating A006846 read by rows, T(n,k) for n>=0 and 0<=k<=n.at n=29A297628
- a(n) = A297628(n,1).at n=7A297629
- Row sums of A297628.at n=6A297630