A348777 a(n) = term in A347113 that precedes the n-th prime. Set a(n) = -1 if prime(n) does not appear in A347113.

5, 14, 94, 13, 21, 38, 118, 56, 45, 86, 92, 73, 122, 214, 93, 158, 117, 121, 133, 141, 218, 394, 165, 177, 290, 302, 205, 213, 326, 225, 253, 261, 958, 694, 446, 301, 1726, 325, 333, 345, 357, 542, 381, 385, 393, 8158, 421, 445, 453, 686, 698, 477, 481, 501, 513, 525, 537, 1354, 553, 842

Offset: 1

Author

N. J. A. Sloane, Nov 08 2021

Keywords

• nonn

Examples

			A347113(11) = 3 is preceded by A347113(10) = 14, and 3 is the 2nd prime, so a(2) = 14. Also (14+1)/3 = 5 = A348778(2).
		

Links

• Alois P. Heinz, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A347113, A347313, A348778.