109020

Appears in sequences

• Second partial sums of fifth powers (A000584).at n=7A101092
• The following triangle is based on Pascal's triangle. The r-th term of the n-th row is sum of C(n,r) successive integers so that the sum of all the terms of the row is (2^n)*(2^n+1)/2, the 2^n -th triangular number. Sequence contains the triangle read by rows.at n=62A112358
• Number of (n+1) X (1+1) 0..1 arrays with every 2 X 2 subblock having one or two 1s.at n=9A251319
• a(n) = 1*8^n + 2*7^n + 3*6^n + 4*5^n + 5*4^n + 6*3^n + 7*2^n + 8*1^n.at n=5A254146