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A069102 a(1) = 1; a(2) = 1; a(n) = Prime[n-1] + Prime[n-2] if n > 2. 1
1, 1, 5, 8, 12, 18, 24, 30, 36, 42, 52, 60, 68, 78, 84, 90, 100, 112, 120, 128, 138, 144, 152, 162, 172, 186, 198, 204, 210, 216, 222, 240, 258, 268, 276, 288, 300, 308, 320, 330, 340, 352, 360, 372, 384, 390, 396, 410, 434, 450, 456, 462, 472, 480, 492, 508 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..56.

EXAMPLE

a(3) = Prime[2] + Prime[1] = 3 + 2 = 5.

PROG

(PARI) print1("1, 1, "):for(n=1, 100, print1(prime(n)+prime(n+1)", "))

CROSSREFS

Cf. A001043, A011974.

Sequence in context: A215284 A325438 A314411 * A001043 A118775 A025001

Adjacent sequences:  A069099 A069100 A069101 * A069103 A069104 A069105

KEYWORD

nonn

AUTHOR

Joseph L. Pe, Apr 06 2002

EXTENSIONS

More terms from Ralf Stephan, Mar 20 2003

STATUS

approved

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Last modified November 13 02:59 EST 2019. Contains 329085 sequences. (Running on oeis4.)