3,1

a(n)==1 mod (prime(n))

F. J. van de Bult, D. C. Gijswijt, J. P. Linderman, N. J. A. Sloane and A. R. Wilks, A Slow-Growing Sequence Defined by an Unusual Recurrence, J. Integer Sequences, Vol. 10 (2007), #07.1.2.

F. J. van de Bult, D. C. Gijswijt, J. P. Linderman, N. J. A. Sloane and A. R. Wilks, A Slow-Growing Sequence Defined by an Unusual Recurrence [pdf, ps].

(PARI) a(n)=3/2/prime(n)*(2*prime(n)+1)*(3^prime(n)+1)*bernfrac(2*prime(n))

Sequence in context: A096544 A015288 A103915 this_sequence A093261 A062638 A099683

Adjacent sequences: A090820 A090821 A090822 this_sequence A090824 A090825 A090826

nonn

Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 11 2004