100087

Appears in sequences

• Rectangular array A read by upward antidiagonals: A(n,m) is the number of total difunctional (regular) binary relations between an n-element set and an m-element set.at n=48A265706
• Numbers k such that replacing each digit d in the decimal expansion of k with d^3 yields a prime each time, when done recursively three times.at n=26A316982
• Number of times the digit 5 appears in the first 10^n decimal digits of Euler's number e = exp(1), counting starts after the decimal point.at n=5A322720