1,1
a(n) <= A104157. For n = 3 and 4, a(n) is different from A104157(n).
Table of n, a(n) for n=1..63.
Index entries for sequences related to magic squares
Cf. A104157, A265139, A265614, A270829.
Sequence in context: A265594 A269904 A090446 * A270829 A104157 A073520
Adjacent sequences: A270827 A270828 A270829 * A270831 A270832 A270833
nonn
Arkadiusz Wesolowski, Mar 23 2016
approved