31123315

Appears in sequences

• Autobiographical numbers: Fixed under operator T (A047842): "Say what you see".at n=16A047841
• Erroneous version of A047841.at n=10A104784
• Autobiographical numbers in base 6: numbers which are fixed or belong to a cycle under the operator T.at n=8A267494
• Autobiographical numbers in base 7: numbers which are fixed or belong to a cycle under the operator T.at n=10A267495
• Autobiographical numbers in base 8: numbers which are fixed or belong to a cycle under the operator T.at n=12A267496
• Autobiographical numbers in base 9: numbers which are fixed or belong to a cycle under the operator T (see comments).at n=14A267497
• Autobiographical numbers in base 10: numbers which are fixed or belong to a cycle under the operator T.at n=16A267498
• First number of the periodic part of the "Say what you see" trajectory (see A005151) of n.at n=25A268312
• Numbers k such that k | A047842(k).at n=30A278439