1,2

H. Riesel, ``Prime numbers and computer methods for factorization,'' Progress in Mathematics, Vol. 57, Birkhauser, Boston, 1985, Chap. 4, see pp. 381-384.

R. M. Robinson, A report on primes of the form k.2^n+1 and on factors of Fermat numbers, Proc. Amer. Math. Soc., 9 (1958), 673-681.

Ray Ballinger, Proth Search Page

See A032356 for more terms.

Sequence in context: A114517 A116930 A073119 this_sequence A101528 A119040 A135104

Adjacent sequences: A002254 A002255 A002256 this_sequence A002258 A002259 A002260

nonn

njas