48248
domain: N
Appears in sequences
- Numbers j such that j divides the sum of the digits of j!.at n=23A108825
- Number of n X n arrays of squares of integers with every 3X3 subblock summing to 18.at n=1A159220
- Number of n X n arrays of squares of integers with every (n-1) X (n-1) subblock summing to 18.at n=1A159402
- First of three consecutive numbers with at least one 3 in their prime signature.at n=4A176350
- Number of Dyck paths of semilength n which satisfy the condition: number of returns + number of hills < number of peaks.at n=11A217539
- Number of contractible "tight" meanders of width n.at n=15A230439
- Square roots of highly composite numbers, floored down: a(n) = A000196(A002182(n)).at n=70A263096
- Coefficients in Göttsche's universal power series B_2(q) arising from enumeration of d-nodal curves in a linear system of dimension d on an algebraic surface.at n=7A328555
- Starts of runs of 3 consecutive numbers that have an equal number of unitary and nonunitary divisors (A048109).at n=3A335397
- Table read by rows: T(n,k) = the number of regions with k sides, k >= 3, in a Farey diagram of order (n,n).at n=16A358885