1,1
Eric Weisstein's World of Mathematics, Motzkin Number
Sum of all 1-digit Motzkin numbers is 17.
Sum of all 2-digit Motzkin numbers is 72.
Sum of all 3-digit Motzkin numbers is 1285.
Cf. A001006.
Sequence in context: A087514 A119625 A130748 this_sequence A059704 A121243 A039371
Adjacent sequences: A131689 A131690 A131691 this_sequence A131693 A131694 A131695
nonn,base
Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Sep 15 2007
Search completed in 0.002 seconds