A337220 - OEIS

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A337220

a(n) = (2^A195610(n) + 1)/A014657(n), for n >= 1.

2

2, 1, 1, 1, 1, 3, 5, 1, 27, 41, 19, 565, 1, 7085, 25, 3, 1266205, 9, 9099507, 17602325, 1, 128207979, 1657009, 26494256091, 172961, 331, 11147523830125, 84179432287299, 2405, 145, 297758653049289, 9007199254741, 1, 281629680514649643, 125400505, 4246732448623781667, 113

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

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..37.

CROSSREFS

Cf. A014657, A195610.

Sequence in context: A039754 A213919 A362043 * A062277 A362378 A204929

Adjacent sequences: A337217 A337218 A337219 * A337221 A337222 A337223

KEYWORD

nonn

AUTHOR

Wolfdieter Lang, Aug 22 2020

STATUS

approved