A271712 a(n) = smallest magic sum of any 4 X 4 magic square composed of n-gonal numbers.

1402, 2823, 2591234, 4347245, 95803378, 4818162, 160959761, 156127479

Offset

3,1

Links

Table of n, a(n) for n=3..10.

Christian Boyer, Smallest magic squares of triangular numbers

Index entries for sequences related to magic squares

Formula

a(n) = Sum_{k=1..4} A271711(n,k).

Crossrefs

Cf. A271579, A271580, A271711.

Sequence in context: A203918 A178271 A271579 * A352239 A206680 A022058

Adjacent sequences: A271709 A271710 A271711 * A271713 A271714 A271715

Keyword

nonn,more

Author

Arkadiusz Wesolowski, Apr 12 2016

Extensions

a(6)-a(10) were found in 2013 and 2014 by Lee Morgenstern

Status

approved