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A269060 Magic sums of 3 X 3 semimagic squares composed of triangular numbers. 5
711, 1251, 1712, 2132, 2616, 2812, 2934, 3357, 3441, 3781, 3812, 4156, 4288, 4842, 4971, 4972, 5346, 5382, 5659, 5842, 5886, 6147, 6159, 6402, 6734, 7062, 7312, 7403, 7592, 7722, 8034, 8342, 8831, 8862, 8961, 9092, 9117, 9496, 9987, 10066, 10261, 10341 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..42.

Wikipedia, Triangular number

Index entries for sequences related to magic squares

CROSSREFS

Cf. A000217, A265141, A269061, A269062. Subsequence of A265197.

Sequence in context: A187283 A187280 A265197 * A265142 A251031 A256509

Adjacent sequences:  A269057 A269058 A269059 * A269061 A269062 A269063

KEYWORD

nonn

AUTHOR

Arkadiusz Wesolowski, Feb 18 2016

STATUS

approved

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Last modified May 25 19:19 EDT 2022. Contains 354071 sequences. (Running on oeis4.)