75640

Appears in sequences

• 1/3 of product of three numbers: the n-th prime, the previous number and the following number.at n=17A127919
• Let 's' denote the sum of the abundant numbers in the aliquot parts of x. Sequence lists numbers x such that sigma(s)-s is equal to x.at n=1A254880
• Expansion of (1 - x^2)/((1 - x^10)*(1 - x - x^2)).at n=25A349843