A101450 Areas of (not necessarily primitive) Pythagorean triangles which are palindromes.

6, 46464, 48384, 63336, 65856, 66066, 474474, 666666, 4053504, 4228224, 4244424, 4383834, 4405044, 6693966, 42066024, 42455424, 42666624, 43177134, 48455484, 49899894, 60366306, 480333084, 610262016, 656161656, 4242662424, 4365995634, 4409449044, 4475775744

Offset: 1

Author

Zak Seidov, Jan 19 2005

Keywords

• base
• nonn

Comments

Compare areas of primitive Pythagorean triangles which are palindromes, A101439.

Examples

			6 is a member as it is a palindromic number and is area of the Pythagorean triangle (3, 4, 5).
46464 is a member as it is a palindromic number and is area of the Pythagorean triangle (264, 352, 440).
63336 is a member as it is a palindromic number and is area of the Pythagorean triangle with (377, 336, 505).
666666 is a member as it is a palindromic number and is area of the Pythagorean triangle(693, 1924, 2045).
		

Links

• Sean A. Irvine, Table of n, a(n) for n = 1..100

Crossrefs

Cf. A101439.

Cf. A002113, A009112.

Programs

PARI

for(n=1,oo, is_A009112(a=A002113(n)) && print1(a", ")) \\ or better:
A101450_row(n) = select(is_A009112, A002113_row(n)) \\ row n = the n-digit terms - M. F. Hasler, Jun 06 2024

Formula

Intersection of A002113 and A009112. - M. F. Hasler, Jun 06 2024

Extensions

a(16), a(17), a(19)-a(23) from Robert G. Wilson v, Jan 31 2005

Missing terms inserted and entry revised by Sean A. Irvine, May 13 2025