60858
domain: N
Appears in sequences
- Number of rooted trees with n nodes and 3 leaves.at n=39A055278
- Gaussian column reduction of Hankel matrix for central Delannoy numbers.at n=49A118384
- Smaller member of an infinitary amicable pair.at n=12A126169
- Infinitary amicable numbers.at n=24A127664
- Triangle read by rows of products of Stirling numbers of the second kind (A008277): a(n,k) = S(n,k) S(n+1,k+1).at n=30A187557
- Capless binary boundary codes for holeless strictly non-overlapping polyhexes, only the maximal representative from each equivalence class obtained by rotating.at n=7A258004
- Capless binary boundary codes for fusenes, maximal representative from each equivalence class up to rotation.at n=7A258014
- Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.at n=3A264376
- T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.at n=31A264379
- Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.at n=4A264382
- Smaller of bi-unitary amicable pair.at n=15A292980
- Numbers n such that A083722(n) > 1 and A083722(n) occurs earlier in A083722.at n=29A293894
- Lesser of tri-unitary amicable numbers pair: numbers (m, n) such that tsigma(m) = tsigma(n) = m + n, where tsigma(n) is the sum of the tri-unitary divisors of n (A324706).at n=9A324708