102654

Appears in sequences

• Positive numbers k such that k and 2*k are anagrams in base 7 (written in base 7).at n=13A023068
• Positive numbers k such that k and 5*k are anagrams in base 9 (written in base 9).at n=25A023082
• Number of 4-indecomposable (connected) graphs on n nodes.at n=27A128526
• Number of rooted uncrossed knight's walks on an infinite chessboard trapped after n moves with first move specified.at n=6A323700