1078110

Appears in sequences

• Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*11^j.at n=18A038301
• Triangle whose (i,j)-th entry is binomial(i,j)*11^(i-j)*9^j.at n=17A038323
• Numbers k such that core(k) = b(k,1)*b(k,0) where b(k,1) is the number of 1's in binary representation of k, b(k,0) the number of 0's and core(k) the squarefree part of k.at n=25A071639