103824

Appears in sequences

• a(n) = A000166(n-1)*n*(n-1).at n=5A038033
• a(n) = sigma_3(2*n+1).at n=23A045823
• Sum of cubes of odd divisors of n.at n=46A051000
• a(n) = sigma_3(3n+2).at n=15A092343
• Number of binary strings of length n with no substrings equal to 0000 0001 or 0101.at n=17A164410
• Triangle read by rows: T(n,k) is the number of permutations of [n] starting with 1, having no 3-sequences and having k successions (0 <= k <= floor(n/2)); a succession of a permutation p is a position i such that p(i +1) - p(i) = 1.at n=39A180186
• Stirling-like sequence obtained from bipartite 0-1 tableaux.at n=31A180401
• Number of obtuse triangles on an n X n grid (or geoboard).at n=9A190020
• From unfriendly seating arrangement problem for fat men at a circular table with n seats.at n=8A239889
• Löschian numbers (A003136) of the form k^3+1.at n=18A271185
• a(n) is the smallest decimal number > 1 such that when it is written in all bases from base 2 to base n those numbers all contain both 0 and 1.at n=10A335051
• Image of n under the x^3+1 map, which is a variation of the 3x+1 (Collatz) map.at n=47A336911
• Sum of the cubes of the squarefree divisors of n.at n=46A351266
• Triangle read by rows: T(n,k) is the number of crystallized linear chord diagrams on n chords with k short chords.at n=50A375504
• a(n) is the number of squarefree composite k with lpf(k) = prime(n) such that m <= Omega(k), where lpf = A020639, m = floor(log k / log lpf(k)), and Omega = A001222.at n=12A377793