4992492

Appears in sequences

• a(n) = (5*n^9 - 30*n^7 + 63*n^5 - 50*n^3 + 12*n)/360.at n=9A239094
• Second partial sums of seventh powers (A001015).at n=7A250212
• 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=7A254146