3553225
domain: N
Appears in sequences
- Palindromic squares in base 12.at n=18A029738
- Squares composed of digits {2,3,5}.at n=4A053919
- Perfect powers using only prime digits and 1.at n=33A083806
- Invariant number of internal vertices of n-circum-C_5 H_5 systems.at n=14A122679
- Number of nX4 array permutations with each element not moved or moved diagonally or antidiagonally by one.at n=6A189275
- Number of nX7 array permutations with each element not moved or moved diagonally or antidiagonally by one.at n=3A189278
- T(n,k) = number of n X k array permutations with each element not moved or moved diagonally or antidiagonally by one.at n=48A189280
- T(n,k) = number of n X k array permutations with each element not moved or moved diagonally or antidiagonally by one.at n=51A189280
- Squares using only the prime digits (2,3,5,7).at n=7A191486
- Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically.at n=7A208117
- Base-12 representation of a(n) is the concatenation of the base-12 representations of 1, 2, ..., n, n-1, ..., 1.at n=4A260862