id:A132178 - OEIS Search Results

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Triangle read by rows: T(n,m) is the number of cyclic permutations of [n] in which m of successive numbers add to a prime. 0<=m<=n, read by rows n>=0.

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0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 2, 0, 1, 0, 2, 4, 4, 2, 0, 1, 6, 19, 16, 15, 2, 1, 6, 36, 84, 108, 90, 24, 12, 0, 44, 230, 542, 722, 602, 266, 98, 14, 2, 208, 1284, 3478, 5272, 5202, 3004, 1378, 264, 70, 0, 912, 6856, 21784, 39496, 46816, 35680, 20824, 6616, 2224, 184, 48 (list; table; graph; listen)

	OFFSET	`0,13`
	COMMENT	`The last entry of the (2n)th row is A051252(n). Row sums are apparently in A001710(n-1).`
	EXAMPLE	`The triangle starts` `n\|` `0\| 0` `1\| 0 1` `2\| 0 0 1` `3\| 0 0 1 0` `4\| 0 0 2 0 1` `5\| 0 2 4 4 2 0` `6\| 1 6 19 16 15 2 1` `7\| 6 36 84 108 90 24 12 0` `8\| 44 230 542 722 602 266 98 14 2` `9\| 208 1284 3478 5272 5202 3004 1378 264 70 0` `10\| 912 6856 21784 39496 46816 35680 20824 6616 2224 184 48` `11\| 8016 58232 188160 358080 449424 380592 237888 95280 32880 4776 1072 0` `12\| 61952 465472 1597312 3298432 4563264 4406592 3152064 1578816 641088 151936 38336 2624 512`
	CROSSREFS	`Adjacent sequences: A132175 A132176 A132177 this_sequence A132179 A132180 A132181` `Sequence in context: A104597 A072662 A030010 this_sequence A039655 A103775 A093057`
	KEYWORD	`nonn,tabl`
	AUTHOR	`R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 04 2007`

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.

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