a(n) is the total number of points (both boundary and interior points) in the n-th figure shown in A255011 (meaning the figure with 4n points on the perimeter), where the interior points are counted with multiplicity.

A334698

a(n) is the total number of points (both boundary and interior points) in the n-th figure shown in A255011 (meaning the figure with 4n points on the perimeter), where the interior points are counted with multiplicity.

Terms

    a(0) =5a(1) =58a(2) =375a(3) =1376a(4) =3685a(5) =8130a(6) =15743a(7) =27760a(8) =45621a(9) =70970a(10) =105655a(11) =151728a(12) =211445a(13) =287266a(14) =381855a(15) =498080a(16) =639013a(17) =807930a(18) =1008311a(19) =1243840a(20) =1518405a(21) =1836098a(22) =2201215a(23) =2618256a(24) =3091925a(25) =3627130a(26) =4228983a(27) =4902800a(28) =5654101a(29) =6488610

External references