A396298 Partial sums of A396297.

1, 5, 17, 45, 101, 205, 381, 669, 1117, 1805, 2829, 4349, 6557, 9773, 14381, 21021, 30461, 43981, 63117, 90429, 128989, 183917, 261357, 371549, 526781, 747533, 1058381, 1500285, 2122397, 3006637, 4251309, 6020253, 8510077, 12048461, 17028621, 24105917, 34066781, 48221933

Offset

0,2

Comments

a(n) is the total number of squares after n-th stage. In the structure there are squares of n + 1 distinct sizes. - Omar E. Pol, May 25 2026

References

Zach Hanks, Email to N. J. A. Sloane, May 22 2026.

Links

Table of n, a(n) for n=0..37.

Zach Hanks, Illustration of a(7) = 669

Crossrefs

Cf. A139250, A220500, A247618, A321257, A330844, A396297.

Sequence in context: A099451 A174794 A133252 * A299335 A247618 A269962

Adjacent sequences: A396295 A396296 A396297 * A396299 A396300 A396301

Keyword

nonn

Author

N. J. A. Sloane, May 24 2026, based on Rémy Sigrist's data for A396297.

Status

approved