1469664

Appears in sequences

• Triangle whose (i,j)-th entry is binomial(i,j)*3^(i-j)*6^j.at n=33A038224
• Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j)*3^j.at n=30A038257
• Partial sums of A007202 (crystal ball sequence for hexagonal close-packing).at n=35A186707
• a(n) = n^4 if n odd, 7*n^4/8 if n even.at n=36A309338
• Expansion of Product_{n>=1} (1 - 3^(n-1)*x^n) * (1 + 3^(n-1)*x^n)^2.at n=13A370338
• Record values in A085908.at n=32A376280