111375

Appears in sequences

• Numbers k such that sum_{i=1..k} d(i)^2 is a square c^2, where d(i) is the number of divisors of i.at n=29A186429
• Number of compositions of n such that the smallest part has multiplicity three.at n=18A241863
• Consider numbers n = concat(x,y,z) such that the product x*y*z | n. Leading zeros in y and z allowed. Sequence lists numbers that admit different concatenations.at n=20A256518
• Consider numbers n = concat(w,x,y,z) such that w*x*y*z | n. Leading zeros in x, y and z allowed. Sequence lists numbers that admit at least two such concatenations.at n=15A257172
• Number of permutations of [n] avoiding {4231, 2143, 1234}.at n=21A294708
• Numbers k such that A360327(k) > 2*k.at n=13A360328
• Irregular triangle T(n,k), n >= 0, 0 <= k < 2^(n-1), where T(n,k) = Product_{j=0..n-1} prime(j+1)^((n-j)*d_j), where d_j is the bit with digit weight 2^j in the binary expansion of 2^(n-1)+k.at n=22A384003
• Numbers k such that k - A224787(k) is a square.at n=34A386623