318087

Appears in sequences

• a(n) is the number of Dyck paths of semilength n+6 having its first peak at height n+1.at n=26A005557
• G.f. A(x) satisfies A(x) = 1 + 9*x*A(x)^(4/3).at n=5A214668
• Square array read by antidiagonals downwards: super Patalan numbers of order 3.at n=51A248324
• Bi-unitary highly composite deficient numbers: bi-unitary deficient numbers k whose number of bi-unitary divisors bd(k) > bd(m) for all bi-unitary deficient numbers m < k.at n=10A302936
• a(n) is the least integer that can be expressed as the difference of two heptagonal numbers in exactly n ways.at n=11A334036