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A054057 Numbers of form 41+n^2+n or 41+2*n^2. 0
41, 43, 47, 49, 53, 59, 61, 71, 73, 83, 91, 97, 113, 131, 139, 151, 169, 173, 197, 203, 223, 241, 251, 281, 283, 313, 329, 347, 379, 383, 421, 433, 461, 491, 503, 547, 553, 593, 619, 641, 689, 691, 743, 763, 797, 841, 853, 911, 923, 971, 1009, 1033, 1097 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..53.

EXAMPLE

41 + 18 =59 and 41 + 20 =61

MATHEMATICA

With[{nn=60}, Take[Flatten[Table[{41+n^2+n , 41+2n^2}, {n, 0, nn}]]//Union, nn]] (* Harvey P. Dale, Aug 03 2017 *)

CROSSREFS

Cf. A052293, A054056.

Sequence in context: A098064 A073921 A118124 * A282319 A257362 A296921

Adjacent sequences:  A054054 A054055 A054056 * A054058 A054059 A054060

KEYWORD

nonn,easy

AUTHOR

Stuart M. Ellerstein (ellerstein(AT)aol.com), Apr 28 2000

EXTENSIONS

More terms from James A. Sellers, Apr 30 2000

STATUS

approved

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Last modified November 12 12:43 EST 2018. Contains 317109 sequences. (Running on oeis4.)