24351
domain: N
Appears in sequences
- Positive numbers k such that k and 2*k are anagrams in base 6 (written in base 6).at n=32A023064
- Total number of elements in all subsets of {1,2,..,n} with relatively prime elements.at n=11A085948
- Expansion of (1 + 2*x^3)/(1 - x - 4*x^7).at n=29A098528
- a(n) = least k such that the remainder when 29^k is divided by k is n.at n=37A128369
- Number of n X n binary arrays with all ones connected only in a 2X2 block with tail 1,1 1,2 1,3 2,2 2,3 in any orientation.at n=5A146046
- Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 2X2 block with tail 1,1 1,2 1,3 2,2 2,3 in any orientation.at n=12A146048
- Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 2X2 block with tail 1,1 1,2 1,3 2,2 2,3 in any orientation.at n=13A146048
- Fixed points of the function A260529(n) = concatenation of the positions of digits 9, 8,..., 0 in the decimal representation of n, using 1 for the rightmost digit etc., skipping digits which don't occur.at n=24A260275
- Numbers n which divide A260521(n), the concatenation of the positions of the digits 9, 8, ..., 0 in the decimal representation of n, where positions are counted from the right, and 0 if a given digit does not occur.at n=47A260386
- Decimal encoding T(n,k) of the k-th non-averaging permutation of [n]; triangle T(n,k), n >= 0, k = 1..A003407(n), read by rows.at n=23A292523
- Numbers k such that k and k+4 are consecutive cubefree numbers.at n=9A349235
- Centered cuboctahedral numbers: the number of integer triples (x,y,z) such that max(|x|,|y|,|z|) <= n and |x|+|y|+|z| <= 2n.at n=15A371532