119139

Appears in sequences

• a(n) = Sum_{k=0..6} binomial(12,k)*binomial(n,k).at n=8A247611
• a(n) = A261234(n) - A261237(n).at n=13A261236
• Parent nodes of nonzero terms of A262509: a(n) = A049820(A262509(n)).at n=0A262510