A131404 - OEIS

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A131404 as a triangular array

											1
										1		1
									1		5		1
								1		7		7		1
							1		11		13		11		1
						1		13		27		27		13		1
					1		17		39		65		39		17		1
				1		19		61		111		111		61		19		1
			1		23		79		193		221		193		79		23		1
		1		25		109		283		433		433		283		109		25		1
	1		29		133		425		715		925		715		425		133		29		1

A131404 as a square array

1	1	1	1	1	1	1	1	1	1	1
1	5	7	11	13	17	19	23	25	29
1	7	13	27	39	61	79	109	133
1	11	27	65	111	193	283	425
1	13	39	111	221	433	715
1	17	61	193	433	925
1	19	79	283	715
1	23	109	425
1	25	133
1	29
1

A131404 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	1	5	7	11	13	17	19	23	25	29
		1	7	13	27	39	61	79	109	133
			1	11	27	65	111	193	283	425
				1	13	39	111	221	433	715
					1	17	61	193	433	925
						1	19	79	283	715
							1	23	109	425
								1	25	133
									1	29
										1