A061578 - OEIS

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A061578

First differences of A061577.

1

1, 4, 5, 6, 8, 9, 10, 11, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 27, 28, 29, 30, 31, 32, 33, 34, 36, 37, 38, 39, 40, 41, 42, 43, 44, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81

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

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..71.

CROSSREFS

Cf. A005228, A061577.

Sequence in context: A336379 A088720 A134848 * A284902 A023851 A285279

Adjacent sequences: A061575 A061576 A061577 * A061579 A061580 A061581

KEYWORD

nonn,easy

AUTHOR

Ronald van Eijck (eequalsmcsquare(AT)hotmail.com), May 21 2001

EXTENSIONS

More terms from Larry Reeves (larryr(AT)acm.org), Jun 12 2001

STATUS

approved