OFFSET
1,4
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
Lars Blomberg, Table of n, a(n) for n = 1..1000
Bau-Sen Du, A Simple Method Which Generates Infinitely Many Congruence Identities, Fib. Quart. 27 (1989), 116-124. See Table 2 p. 7.
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Terms a(26) and beyond from Lars Blomberg, Oct 20 2016
STATUS
approved