153126

Appears in sequences

• Concatenate n and the sum of the digits of n raised to their own power (A045503).at n=15A108302
• Square array of numbers A(n,k) (n>=0, k>=0) of transitive reflexive early confluent binary relations R on n labeled elements where |{y : xRy}| <= k for all x, read by antidiagonals.at n=58A135302
• Number of transitive reflexive early confluent binary relations R on n labeled elements where |{y : xRy}| <= 3 for all x.at n=7A210911