A153650 - OEIS

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A153650 as a triangular array

									2
								11		11
							2		238		2
						2		1329		1329		2
					2		1529		26220		1529		2
				2		1729		159320		159320		1729		2
			2		1929		312420		2914420		312420		1929		2
		2		2129		485520		18999520		18999520		485520		2129		2
	2		2329		678620		50414620		326526620		50414620		678620		2329		2

A153650 as a square array

2	11	2	2	2	2	2	2	2
11	238	1329	1529	1729	1929	2129	2329
2	1329	26220	159320	312420	485520	678620
2	1529	159320	2914420	18999520	50414620
2	1729	312420	18999520	326526620
2	1929	485520	50414620
2	2129	678620
2	2329
2

A153650 as an upper right triangle

2	11	2	2	2	2	2	2	2
	11	238	1329	1529	1729	1929	2129	2329
		2	1329	26220	159320	312420	485520	678620
			2	1529	159320	2914420	18999520	50414620
				2	1729	312420	18999520	326526620
					2	1929	485520	50414620
						2	2129	678620
							2	2329
								2