103246

Appears in sequences

• Number of numerical semigroups of genus n; conjecturally also the number of power sum bases for symmetric functions in n variables.at n=22A007323
• Sum of the prime factors of k equals half the sum of the prime factors of k + 1.at n=28A074213
• Starts of runs of 3 consecutive numbers whose powerful part is larger than their powerfree part (A328014).at n=9A348120
• Numbers k such that k and k+1 are both divisible by the square of their largest prime factor.at n=29A354558