A219841 - OEIS

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A219841

Positions of numbers 2^n + 3^n (n >= 0) in A004050.

1

1, 4, 9, 17, 29, 44, 62, 86, 108, 139, 166, 204, 245, 282, 331, 371, 427, 472, 535, 602, 656, 730, 788, 869, 953, 1021, 1113, 1184, 1283, 1359, 1465, 1575, 1660, 1777, 1866, 1990, 2118, 2216, 2351, 2453, 2595, 2702, 2851, 3004, 3120, 3280, 3400, 3567, 3738

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Zak Seidov, Table of n, a(n) for n = 0..1000

EXAMPLE

a(0) = 1 because 2^0 + 3^0 = 1 = A004050(1),

a(1) = 4 because 2^1 + 3^1 = 5 = A004050(4).

CROSSREFS

Sequence in context: A027367 A348238 A009879 * A009878 A057316 A008066

Adjacent sequences: A219838 A219839 A219840 * A219842 A219843 A219844

KEYWORD

nonn

AUTHOR

Zak Seidov, Nov 29 2012

STATUS

approved