448804

Appears in sequences

• Heptagonal numbers with only even digits.at n=11A117994
• Expansion of Product_{k>=0} 1/(1-x^(4*k+1))^4.at n=35A261636
• Irregular table read by rows: n-th row lists the 9 n-gonal numbers of a 3 X 3 semimagic square with the smallest magic sum. The terms of each row are arranged in the manner shown in A261816.at n=40A265141