68285

Appears in sequences

• Expansion of 1/((1-4x)(1-6x)(1-7x)(1-9x)).at n=4A028131
• Number of ways of pairing the even squares of the numbers 1 to n with the odd squares of the numbers n+1 to 2n such that each pair sums to a prime. a(1) is defined to be 1.at n=32A077764
• Number of tilings of an 8 X n rectangle using integer-sided rectangular tiles of area 8.at n=15A220125