A277915 - OEIS

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A277915 as a triangular array

											8
										7		12
									11		9		15
								29		22		13		16
							23		43		25		14		20
						53		46		49		31		18		21
					103		79		67		58		33		19		24
				191		137		106		69		71		41		21		28
			47		229		206		131		89		86		44		26		30
		59		94		361		239		157		92		87		50		27		32
	311		118		139		382		274		158		115		98		55		28		33

A277915 as a square array

8	7	11	29	23	53	103	191	47	59	311
12	9	22	43	46	79	137	229	94	118
15	13	25	49	67	106	206	361	139
16	14	31	58	69	131	239	382
20	18	33	71	89	157	274
21	19	41	86	92	158
24	21	44	87	115
28	26	50	98
30	27	55
32	28
33

A277915 as an upper right triangle

8	7	11	29	23	53	103	191	47	59	311
	12	9	22	43	46	79	137	229	94	118
		15	13	25	49	67	106	206	361	139
			16	14	31	58	69	131	239	382
				20	18	33	71	89	157	274
					21	19	41	86	92	158
						24	21	44	87	115
							28	26	50	98
								30	27	55
									32	28
										33