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A085949
Smallest multiple of prime(n) of the form r*prime(n-1) + s*prime(n+1). r and s are positive integers.
1
9, 10, 21, 33, 39, 51, 57, 115, 116, 124, 185, 123, 129, 235, 106, 236, 244, 335, 213, 292, 395, 415, 623, 291, 303, 309, 321, 327, 1017, 1143, 655, 548, 834, 894, 604, 314, 815, 835, 346, 716, 1086, 1146, 579, 591, 1393, 422, 892, 681, 687, 1165, 956, 1446
OFFSET
2,1
EXAMPLE
a(1) = 1*2 + 2*5 = 12 = 4*3 = 4* prime(2). r = 1 and s = 2 both r and s are positive integers.
a(9) = 1*23 + 3*31 =116 =4*29 = 4*prime(10).
CROSSREFS
Cf. A085950.
Sequence in context: A300023 A022314 A178350 * A102238 A104646 A214425
KEYWORD
nonn
AUTHOR
Amarnath Murthy and Jason Earls, Jul 15 2003
EXTENSIONS
Corrected and extended by David Wasserman, Feb 15 2005
STATUS
approved