248064

Appears in sequences

• a(n) = (n+1)*binomial(n+5, 5).at n=15A027810
• 2-parking triangle T(r, i, 2) read by rows: T(r, i, k) = (r + 1)^(i-1)*binomial(k*(r + 1) + r - i - 1, r - i) with k = 2 and 0 <= i <= r.at n=31A329058
• a(n) is the determinant of the 2 X 2 matrix whose entries (when read by rows) are the n-th primes congruent to 1, 3, 5, 7 mod 8 respectively.at n=34A337145
• Expansion of (1/x) * Series_Reversion( x * ((1-x)^2-x^2)^2 ).at n=6A369510