[seqfan] Re: C(2n,n) - n^2 and C(n^2,n) - n^n

[Harvey P. Dale]

	The next term in sequence (i) is 1301.
	Best,
	Harvey
	

-----Original Message-----
From: SeqFan [mailto:seqfan-bounces at list.seqfan.eu] On Behalf Of ???? ?????????
Sent: Tuesday, March 20, 2018 2:00 PM
To: Michael De Vlieger <seqfan at list.seqfan.eu>
Subject: [seqfan] C(2n,n) - n^2 and C(n^2,n) - n^n

Dear SeqFans, numbers n such that:
(i) C(2n,n) - n^2 is prime: 2, 3, 5, 9, 13, 27, 47, 59, 111, 547, 923, ...
(ii) C(n^2,n) - n^n is squarefree: 2, 3, 5, 7, 13, 17, 19, 23, 29, 31, 33, 35, 37, 41, 43, 47, 53,...
What tn the next one? Thanks. JSG

--
Seqfan Mailing list - http://list.seqfan.eu/